tokenpocket安卓中文版app|qtum

作者: tokenpocket安卓中文版app
2024-03-07 20:46:55

三分钟了解数字货币之量子链(QTUM) - 知乎

三分钟了解数字货币之量子链(QTUM) - 知乎切换模式写文章登录/注册三分钟了解数字货币之量子链(QTUM)紫狮资本CEO刘岩大家好!我是hyrik老师(hyrik2020),七年虚拟货币玩家,大牛谈不上,但是也带着一千来号学生做了几年投资了,没错过比特币,没错过以太坊,没错过山寨币,没错过ICO,回报在1000倍左右了,现在在做交易所,带学生,也会做些私募,带学生让我很有成就感,他们平均也获得几百倍回报了已经,也欢迎大家随时交流。一、基本概念Quantum Blockchain (简称‘QTUM’,即量子链)是全球首个基于PoS机制的智能合约平台,成为继以太坊之外,第二个全面支持图灵完备的智能合约的区块链平台。其账户抽象层(AAL)实现了UTXO模型与以太坊虚拟机(EVM)账户模型的的无缝交互。除目前支持的EVM外,Qtum后续还将推出自主研发的X86虚拟机原型。在Qtum的系统中,信息可以通过价值传输协议(Value Transfer Protocol)来实现点对点的价值转移,并根据此协议,构建一个支持去中心化的应用开发平台(DAPP Platform)。与此同时,量子链致力于开发比特币和以太坊之外的第三种区块链生态系统。 量子链开发了兼容比特币和以太坊的全新生态系统,完美的结合了比特币和以太坊的优点,解决了现有区块链系统的固有缺陷。量子链以行业应用为导向,拓展区块链技术的应用边界和技术边界,通过移动端 DApp 开发策略,把区块链的技术优势带给不同行业的应用者和普通互联网用户。另外,Qtum量子链首创的分布式自治协议(DGP)还可以实现区块链参数的动态调整。目前已有近30个项目在Qtum量子链上搭建,分别来自物联网,预测市场以及医疗等多个不同领域。量子链的开发团队成员不仅具有北京大学、中科院等教育背景,更有百度、阿里巴巴、金山软件等知名企业工作经历,也不乏Bitwage、Coinpip等多年区块链行业和密码学、虚拟货币社区经验。二、为什么开发量子链?1、试图打破原有封闭性与不兼容性对于以太坊的用户和比特币的用户而言,他们其实是相互排斥的。因此,量子链希望搭建这样的一个生态系统: Qtum 的区块链既可以跟以太坊的社区和平相处,也可以跟比特币的系统兼容。事实上,对于区块链目前割据状态的后果,其他从业者也都意识得到,只是还没有相应的方案。而最重要的是,区块链作为被认为是将对金融业产生变革的技术之一,其应用落地过程中必定不能缺乏监管。而目前的区块链仍处于封闭状态。比特币最初是一些极客和无政府主义发明的系统,以太坊在其基础上增加了一些比如智能合约的功能,对于普通用户,比如数字货币爱好者来说区块链技术也许是近乎完美的,但对于监管者和企业来说,该技术还有很多东西无法提供, 比如银行服务系统,需要进行身份认证来反洗钱( KYC ),这些在公链系统中是没有的。另外监管者的角色也无法介入。比如 The DAO 事件,即使大家知道是被黑客攻击了合约,所有人也只能眼睁睁地看着资金流失,而无法阻止。显然,这在现实的商业应用中是无法接受的。这涉及到智能合约的触发条件应该由谁来提供。目前由于整个区块链系统的封闭性,关于其触发条件的来源、数据源,以及其和外界的关系是没有通道的。因此,量子链在区块链技术和理念上进行了一系列的创新:包括基于 UTXO 的隐私保护智能合约模型,面向公有链和联盟链的共识机制,交易账本和智能合约账本的分离,便于外部监管等数据源进入主合约的 Oracle 和 Data Feed 的设计和实现等。(关于其技术原理,可详见其白皮书。)2、取代实际应用中不必要的挖矿目前来说,比特币和以太坊区块链是基于挖矿来实现和维护的,但在具体商业应用中,企业并不需要挖矿,而且这一块要耗费很大的成本,“所以,量子链通过对 proof-of-state 等底层算法做了一些修改,采用的是激励机制的权益证明来建立我们的共识。”目前 Qtum 量子链处于测试网络开发完毕的状态,更多应用的开发以及测试还在进行中,未来其研究成果也将全部开源。三、量子链代币的分配方式总量一亿,51%量子币公开众筹,也就是51000000枚量子币。众筹目标为1000个比特币,也就是按照比特币价格计算计算,将众筹到1亿人民币。四、量子链的核心竞争力1、技术设计创新量子链具有独立的开发团队,兼容比特币BIP 改进协议和 UTXO模型,实现了首个基于 IPoS(激励权益证明)共识机制的智能合约平台。2、治理结构完善设立了量子链基金会,通过良好的基金会治理结构,分别从代码管理、财务管理和公共关系等多个维度帮助管理开源社区项目事务,确保量子链开发的可持续性和安全性。3、应用可落地量子链开发了符合现实世界商业逻辑的区块链主控合约,支持多个行业、多种渠道,最终实现走向移动端策略。五、量子链的应用场景1、可信的去中心化应用Qtum 系统致力从技术层面全面支持去中心化应用,尤其是通过移动端策略的引入,将不同的 DAPP想法产品化。面向不同行业的 DAPP 应用,可以把区块链技术带给更多的用户和行业。例如去中心化的社交、去中心化的存储和去中心化的域名服务、去中心化的计算服务等,通过激励机制的引入,将更深层次利用共享经济的理念,改变现有的 APP市场和商业模式。区块链技术为搭建去中心化应用 (Decentralized Applications) 供基础架构。 在量子链中 , 通过完善的 Qtum API 的设计和 Docker 的分发 , 简化开发者的准备工作 , 使开发者可 以快速上手相应的开发工作。并将通过 Qtum 系统内部的 Token 激励开发者开发出高质量 的 DAPP 。2、多个行业的支持在 Qtum 系统中 , 通过不同共识机制的引入和监管的需求 , 可以为行业发展需求也供支持。例如 Qtum 系统中 , 供的基于 Proof of Time 和 Raft 协议融合的共识机制 , 可以满足可信 网络中 , 对区块链速度和容量的要求 , 通过基于区块链技术的简单合约和 Oracle 和 Data Feeds 的引入 , 也可以引入更多线下的因素。通过 Identity 和 Privacy 的设计 , 可以符合金 融行业的监管需求。在 Qtum 系统中 , 可以支持多个行业的应用需求 : 例如金融业、物联网、供应链、社交和 游戏、慈善、数字资产和股权等。另外基于 Qtum 的智能合约和简单合约 , 通过图灵完备 的编程语言 , 可以实现更复杂商业逻辑的支持 , 并将支持更多的行业。3、 移动端策略“Go Mobile” 是量子链开发团队的一个时刻谨记的原则,面向移动端策略也是推动区块链技术落地的一个重要环节,在量子链的生态系统中,我们不仅全面支持并推动移动应用战 略,而且我们将会与第三方开发者,一起为用户 供移动端的服务,包括:移动端钱包、移动端Dapp应用、移动端智能合约应用等服务。4、账户抽象层量子链改进了比特币的“ Script ”语言使其可以作为向量子链以太坊虚拟机传输代码的介质。这样创新性的设计弥补了过去区块链生态环境的缺陷,使现实商业社会中的智能合约和去中心化应用能够安全且快捷方便的在量子链上运行,再结合比特币网络成熟稳定的特性打通区块链与现实商业社会的壁垒。5 、跨平台及向前兼容量子链兼容目前的以太坊智能合约和比特币网关,即便在系统更新之后也会保持向前的兼容。以上内容由本人搜集整理,并不代表任何投资建议,仅仅作为学习参考,也不作为买卖依据。市场有风险,投资需谨慎!同时我也为大家总结准备了500份区块链白皮书、区块链行业词典、公链项目大盘、技术波段看线等优质免费大礼包。联系(hyrik2020)免费获取500份中文版区块链白皮书:其中BTC、ETH、EOS、ont、HT、BU、PAI、ADA等(了解数字货币价值的核心因素)。最后还是那句话,2018年是区块链发展元年,未来区块链会是一个新的发展趋势,错过了这个风口,你将会像当年错过互联网时代、错过电商、错过微商时代一样,再一次错过整个区块链时代。写文章总要有结束语,最后用一段话来做结束语:1、关于区块链发展:短期是底层技术,中期是应用场景,长期是改造社会。2、关于区块链参与各方:币圈看到流量,链圈看到共识,玄学圈看到革命。3、关于区块链怎么改造社会:短期是通证和激励,中期是货币和经济,长期是社会。4、关于应用落地:前期是比特币和炒币工具,短期是公链,中期是轻应用,长期是去中介化场景。5、关于炒币:长期看人口,中期看供求,短期看监管。6、关于区块链本质:一边是技术,一边是通证,一边是社区,链币社区不分家。7、关于技术模型:短期看共识机制,中期看操作系统,长期看DAPP生态。8、关于通证模型:短期看发币上市,中期看总量机制,长期看生态使用,终极看通证经济体的参与各方利益平衡。9、关于社区治理:短期是自发自理,中期是社区政治,长期是代码法治。10、关于通证社区经济体:以前是公司制,现在有非盈利组织,以后是通证社区,终极是人的自由联合。编辑于 2018-09-20 15:42量子链(Qtum)比特币 (Bitcoin)区块链(Blockchain)​赞同 4​​添加评论​分享​喜欢​收藏​申请

Releases · qtumproject/qtum · GitHub

Releases · qtumproject/qtum · GitHub

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Releases · qtumproject/qtum

Qtum Core v25.1 - Upgrade to bitcoin core v25.1 - Ledger Improvements - Bug fixes

04 Mar 23:47

qtum-neil

v25.1

6c237b7

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Qtum Core v25.1 - Upgrade to bitcoin core v25.1 - Ledger Improvements - Bug fixes

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v25.1 - Upgrade to bitcoin core v25.1 - Ledger Improvements - Bug fixes

Upgrade Qtum core to bitcoin core 25.1 including updates from 25.0 and 25.1.

Improve Ledger devices GUI support :

Support staking delegation.

Support QRC20 transactions.

Add support for on-device address verification.

Add support message signing.

Fix a bug that caused validateaddress rpc call to fail in some rare cases.

Notes:

For the new Ledger devices features, update Qtum Ledger app to 3.0.0 in Ledger live and use Qtum HWI 2.3.1

For Apple Silicon: Sign Qtum-Qt.app with: codesign --force --deep -s - /Applications/Qtum-Qt.app

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

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qtum-25.1-aarch64-linux-gnu.tar.gz

56.3 MB

2024-03-04T23:22:57Z

qtum-25.1-arm-linux-gnueabihf.tar.gz

51.2 MB

2024-03-04T23:23:39Z

qtum-25.1-arm64-apple-darwin-unsigned.dmg

37.5 MB

2024-03-04T23:24:18Z

qtum-25.1-arm64-apple-darwin.tar.gz

41.2 MB

2024-03-04T23:24:47Z

qtum-25.1-powerpc64-linux-gnu.tar.gz

64.6 MB

2024-03-04T23:25:18Z

qtum-25.1-powerpc64le-linux-gnu.tar.gz

63 MB

2024-03-04T23:26:07Z

qtum-25.1-riscv64-linux-gnu.tar.gz

56.2 MB

2024-03-04T23:26:54Z

qtum-25.1-win64-setup-unsigned.exe

42.5 MB

2024-03-04T23:27:37Z

qtum-25.1-win64.zip

57.5 MB

2024-03-04T23:28:10Z

qtum-25.1-x86_64-apple-darwin-unsigned.dmg

40.8 MB

2024-03-04T23:28:53Z

Source code

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2024-03-04T17:52:31Z

Source code

(tar.gz)

2024-03-04T17:52:31Z

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Qtum Core v24.1 – Hard Fork - Upgrade to bitcoin core 24.1 - EVM Shanghai - Improvements and Bug fixes.

02 Sep 04:22

qtum-neil

v24.1

88fd52d

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Qtum Core v24.1 – Hard Fork - Upgrade to bitcoin core 24.1 - EVM Shanghai - Improvements and Bug fixes.

v24.1 – Hard Fork - Mandatory Update before block 3385122 (3298892 in testnet) – Upgrade to bitcoin core 24.1 - EVM Shanghai - Improvements and Bug fixes.

Upgrade Qtum core to bitcoin core 24.1 including updates from 24.0.1 and 0.24.1. Main highlights:

Add sendall, simulaterawtransaction, gettxspendingprevout rpc calls.

Support multi_a() and sortedmulti_a() in tr() output descriptor .

Add wallet migration support from legacy to descriptor wallets using migratewallet rpc call.

Improve headers download security.

Improve replace-by-fee logic.

Improve GUI options.

Implement Shanghai EVM upgrade. Main highlights:

Add PUSH0 instruction support.

Add Limit and meter initcode support.

Deprecate SELFDESTRUCT.

Set chainID to:

81 for mainnet

8889 for testnet

8890 for regtest

Dispaly coinstake prevout when calling getblock with verbosity level 3.

Update nMinimumChainWork, defaultAssumeValid and chainTxData.

Add recent checkpoints.

Testnet fork ETA: October 8, 2023 01:18 UTC

Mainnet fork ETA: November 27, 2023 00:24 UTC

Note for Apple Silicon: Sign Qtum-Qt.app with: codesign --force --deep -s - /Applications/Qtum-Qt.app

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

43bb4677e4c63e3c357def46498b0dc52015a1b1299972ad8bd8d0bded62e70a aarch64-linux-gnu/qtum-24.1-aarch64-linux-gnu-debug.tar.gz

680c7a9c94b621094da580887f2c5d5be14dd5dbac4a334e4cf77916e28ba6bc aarch64-linux-gnu/qtum-24.1-aarch64-linux-gnu.tar.gz

f0e0c960796d54882fe9843a4207ea9778c7681f5408e4f4829f5f87c8981bf0 arm-linux-gnueabihf/qtum-24.1-arm-linux-gnueabihf-debug.tar.gz

effe7055700b60e992ed3c5570e707dd81894ff2c6772664900849997ebc8d24 arm-linux-gnueabihf/qtum-24.1-arm-linux-gnueabihf.tar.gz

312fc3fcbb97f3a75bc99dd70f1fe1415b92c67e93eff48f22bd6efd81707371 arm64-apple-darwin/qtum-24.1-arm64-apple-darwin-unsigned.dmg

6e76b3d2922489b16fe35330bd79c993d0bc623565401dc48ab1ac445b559ad9 arm64-apple-darwin/qtum-24.1-arm64-apple-darwin-unsigned.tar.gz

d6a9f0c2e238b75288dcef84b6f88ed945372d7e0330eb053ea334713f43eae2 arm64-apple-darwin/qtum-24.1-arm64-apple-darwin.tar.gz

7f82bbe38eeb7ca9578062903088f062d41620fb88b6b00fcc9881a1a3cd1d57 powerpc64-linux-gnu/qtum-24.1-powerpc64-linux-gnu-debug.tar.gz

5e9c9aeb961b88d678d1152d614a6d76b60db74e34a0e956e74d2f80b8b68ce3 powerpc64-linux-gnu/qtum-24.1-powerpc64-linux-gnu.tar.gz

132dc840d8f0c724607e3cc94ac98e35903791dfafce2fc3c670c64ed1dc68b0 powerpc64le-linux-gnu/qtum-24.1-powerpc64le-linux-gnu-debug.tar.gz

af277256a052430f0830b864e530b884e34a1b7a7d7e7911092bb52e154baac3 powerpc64le-linux-gnu/qtum-24.1-powerpc64le-linux-gnu.tar.gz

ee193407efaa83ddf09372a26c1aebc24394f2caa789b0cc8581a58defe0619b riscv64-linux-gnu/qtum-24.1-riscv64-linux-gnu-debug.tar.gz

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01044138e6f20b73a904c43299dcf3445a830ad09b1251400308656fb9f37859 x86_64-apple-darwin/qtum-24.1-x86_64-apple-darwin-unsigned.dmg

77b7c11f8d35f2f38f8d7c1796f95fbb759e01d6ab0f2b607b09e68e7da95728 x86_64-apple-darwin/qtum-24.1-x86_64-apple-darwin-unsigned.tar.gz

3d6fc185323e65c44e3cdd13491460b7958a563b87edf879cbb0a8354cc7b2bf x86_64-apple-darwin/qtum-24.1-x86_64-apple-darwin.tar.gz

bf2a90b2b537ad5ac480a032c4050527dfa7e8b78fa0c855931b2b1ff733b850 x86_64-linux-gnu/qtum-24.1-x86_64-linux-gnu-debug.tar.gz

13f7ca5c352732772e924bd07db0e8327e0a850edd9c89e7d191e0734990621c x86_64-linux-gnu/qtum-24.1-x86_64-linux-gnu.tar.gz

efc808257d395b037ee0ca92306c6da0d2baad5f38b384433d2b92f2d8cd168a x86_64-w64-mingw32/qtum-24.1-win64-debug.zip

8c0ba30ef2018080469a0964d04ab5aea7c1380f3b01a2debe4d96f75cc90d9c x86_64-w64-mingw32/qtum-24.1-win64-setup-unsigned.exe

0a06edbbfe1212267340be0fe1adebde169dbd979d2b92cf626a11410f5ef6e2 x86_64-w64-mingw32/qtum-24.1-win64-unsigned.tar.gz

844a4b4504737f043c7c23fb2e908c7bed65567b743a662d0e818b8e3cc3e420 x86_64-w64-mingw32/qtum-24.1-win64.zip

e7f5a9edb79514171da3810440f7da1778b49428a9a5c1243aa5a5bfbf3b1566 dist-archive/qtum-24.1.tar.gz

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Qtum Core v23.1 - Recommended Update - Bug fix - Improvements

31 Mar 16:28

qtum-neil

v23.1

fb6ccd7

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Qtum Core v23.1 - Recommended Update - Bug fix - Improvements

v23.1 - Recommended Update - Bug fix - Improvements

Fix a bug that caused validateaddress to reject a valid address in linux in some cases.

Show specific staking icon tooltip message when private keys are disabled.

Update MacOS build instructions

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

10ad10a809d4eece36115d481ebf037c4c2503f48297aec045cb8c3e25649721 qtum-23.1-aarch64-linux-gnu-debug.tar.gz

42c3ef465d0ab59f7a4420d8015209903d6b7ccfd12538fe15a6bb10129e1702 qtum-23.1-aarch64-linux-gnu.tar.gz

213c3eb4592e0dce14e143f2c009a081989d8bfe02d9b0b797f57e5488b04ab8 qtum-23.1-arm-linux-gnueabihf-debug.tar.gz

901171862cb96a878b4833590bee49b6cebd499882365ea19485e14477143911 qtum-23.1-arm-linux-gnueabihf.tar.gz

d6dc2d56ffbb85d0ecc4c0e91802f54f1d730d2afb53021cfcd167600a0f2ca7 qtum-23.1-arm64-apple-darwin-unsigned.dmg

eecebc467019f775e7fa872d6557ae9a727d312b0900769d709660fd638c1dcb qtum-23.1-arm64-apple-darwin-unsigned.tar.gz

77fc5abc6f7147520184a83d0087aee089909ac45a24e0c6415f5a36111e6121 qtum-23.1-arm64-apple-darwin.tar.gz

18a92c4c9c66e186c0b08c4c3275212d43a238f620afdb6f20fdc269be983f3f qtum-23.1.tar.gz

479e67629d0372891acf97c41ce8816a97d2ccec6541a869cb608ac71fe7d20d qtum-23.1-powerpc64-linux-gnu-debug.tar.gz

cdb5f331b93a429f05a748b1e2c8b5cbe8fc391733942a2aa856ab23a3b4747f qtum-23.1-powerpc64-linux-gnu.tar.gz

2d57b9c60e81fb2d606910c2de5f7b31a28384df62eb29e2efbc509cf4c3326e qtum-23.1-powerpc64le-linux-gnu-debug.tar.gz

c46ca4274ec30ccc5ed4ef9abac7d3223886d067a1be129f33860dfb05d6a1f3 qtum-23.1-powerpc64le-linux-gnu.tar.gz

2cea7664e040766179532a426934c13d6edc963d4d5144a33208131f0d5ee6ab qtum-23.1-riscv64-linux-gnu-debug.tar.gz

292646852574f82b92fd684db5ae244ff49965e5d53488de34b0049a4bf1996e qtum-23.1-riscv64-linux-gnu.tar.gz

663e310d8a7c830103dc696075d81534b95c9ed58f293ad5118a712ec8c0049e qtum-23.1-x86_64-apple-darwin-unsigned.dmg

9d86045590bd1f9743da904692027e85cd56cd65de46f3e43e847b19b2205b25 qtum-23.1-x86_64-apple-darwin-unsigned.tar.gz

18fdea6aeaef2865dc4b3d2440999278e9eb13a153d02c2af1f3f93a45c63a25 qtum-23.1-x86_64-apple-darwin.tar.gz

185bc5b91b1203e5e93b67ba0b090f79ab857914c3bf9ac5b84ac80cee9c0b15 qtum-23.1-x86_64-linux-gnu-debug.tar.gz

31f117865d65cc1e32dca5fe1421d9fe579ff06b7d48f58d7eae9deac454c186 qtum-23.1-x86_64-linux-gnu.tar.gz

703b92d57f143ae7da61c1fe1470b4bc18d292241cf92310e439bc3237241fe3 qtum-23.1-win64-debug.zip

168b71f2f9ba465e7ccb9fdb65a61f01bbaad11d880272a2f495076dd0657f61 qtum-23.1-win64-setup-unsigned.exe

a07e2082c5758ff7d00be338dbcc1271c9eb84cf05bb9d8b74d0c20802f465ae qtum-23.1-win64-unsigned.tar.gz

27913d79a7b785cb2b86462d1106a9e42f8738c2c4830fc20af19133b9f2e69f qtum-23.1-win64.zip

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Qtum Core v23.0 - Upgrade to bitcoin core v23.0 - Improvements - Bug fixes

23 Feb 20:26

qtum-neil

v23.0

4e2a7cd

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Qtum Core v23.0 - Upgrade to bitcoin core v23.0 - Improvements - Bug fixes

v23.0 - Upgrade to bitcoin core v23.0 - Improvements - Bug fixes

Upgrade Qtum core to bitcoin core 23.0 including updates from 23.0. Main highlights:

Add support for taproot (bech32m) address operations in cli and gui wallets.

Full support for the CJDNS network.

Improved fee estimation.

Full support for staking from descriptor wallets.

Switch build system to Guix.

Provide arm64-apple-darwin builds for Apple silicon.

(need to sign with codesign --force --deep -s - /Applications/Qtum-Qt.app)

Update README.md

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

9357666c5048d9da2d8d4afc51e6b9d11c7ec218c4c03bd2eb5243c08edb60bc qtum-23.0-aarch64-linux-gnu-debug.tar.gz

48d49fe0e9b1600ecccb3a2db2c92884eeffff9584e92546c981aa51826f7bc5 qtum-23.0-aarch64-linux-gnu.tar.gz

316c1bb960d1562be2cc65532facb7b0af3a2c4a4e2284c41c2f2dd3513ac4ac qtum-23.0-arm-linux-gnueabihf-debug.tar.gz

04c3f4b91b8fa82e69eb5e30d6ed62db480bf79b4faa43d240ccd849911ac2fa qtum-23.0-arm-linux-gnueabihf.tar.gz

a0e5f5692bebf5a58a4e742faf586683645de1ef6df33e92d7fc5e9625e14039 qtum-23.0-arm64-apple-darwin-unsigned.dmg

96b5892e3ba2990ac886eafbd25487a8d744b744afac3ef11dc489885cc3d0f9 qtum-23.0-arm64-apple-darwin-unsigned.tar.gz

acfeea3cc356b84a2dda9ef5b0919b3545536708c671b0f3f23b2238f1f2d561 qtum-23.0-arm64-apple-darwin.tar.gz

199a6f3827c696820434810aacdfd3fa95230b51671a88ed46d37eb0fcffa04d qtum-23.0.tar.gz

651a820ca3c483a2d85c7dbf35cdc2482899a5f8540b1b831762bb9aadd53e97 qtum-23.0-powerpc64-linux-gnu-debug.tar.gz

536630b09dcaa0f293a3a5e74c5a8e76e849c28fb4217835295e7cc7d35d018d qtum-23.0-powerpc64-linux-gnu.tar.gz

60ecf06d1ad3a8af0246d0f66a0f446e0d27fd09b7d22a9d925988aaabef46ad qtum-23.0-powerpc64le-linux-gnu-debug.tar.gz

bf99a536cb0bc4ab72175de42323785e80df6d5465d8b9b013b308395b908ce2 qtum-23.0-powerpc64le-linux-gnu.tar.gz

765133e3b3256f765609e98c5bfa6cccd89d82c8625ab7601faeab87a6bdc21f qtum-23.0-riscv64-linux-gnu-debug.tar.gz

f9a3ab12dd4bf888a6dec3d318c605ee303a421c7fe1ea895414b425cc656f58 qtum-23.0-riscv64-linux-gnu.tar.gz

96c265a774fab9190129e286a82413fa8291d6bc6c1f6dd7aaf782ab3231d6b7 qtum-23.0-x86_64-apple-darwin-unsigned.dmg

dfe8dc1c561b118334d73db839577e458e4a310a472e8f9fd796220f169c3226 qtum-23.0-x86_64-apple-darwin-unsigned.tar.gz

0dba7bd94219123a051db838c98b247874dad6717561f0b3593dcea148abb012 qtum-23.0-x86_64-apple-darwin.tar.gz

6cfdcb4c01826a88ae8da8ebf8a090f4adbfb72ad745db102c4b1ebc8232ed5b qtum-23.0-x86_64-linux-gnu-debug.tar.gz

d5f4ddd0c9c4ef5d623d3546f2a216057e3939344aed5546a14a57ac42e8beb4 qtum-23.0-x86_64-linux-gnu.tar.gz

a7a33fe933244db01da6998c6fef672d7985f40068806774d91930b1493863fa qtum-23.0-win64-debug.zip

c0510ffc9759828bb2c256019711402e90f80c1f8cdddfc30c99b60fd805b490 qtum-23.0-win64-setup-unsigned.exe

afc4300a79844f790037419345db7b07a644d92310bd9c8687bc449a0c9cb33f qtum-23.0-win64-unsigned.tar.gz

d201eb32270a2c5ab2ceff5e3678fd335eee8c237b161566fdb3dfb6c9f15493 qtum-23.0-win64.zip

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Qtum Core v22.1 - Bug fix

31 May 01:26

qtum-neil

v22.1

941ef6b

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Qtum Core v22.1 - Bug fix

22.1 - Bug fix - Mandatory Update to at least v22.0 before block 2080512 (1967616 in testnet)

Fix a bug that caused fee calculation to fail in some cases.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

bb6cdcd3f8baccb985e072cf5bd8c660d88e47e0944bf2ad0e6c3f14de674e03 qtum-22.1-aarch64-linux-gnu-debug.tar.gz

58fae4012eea36812060524f384cd84847dffe3209d8d213bfc6cbd01f17f02d qtum-22.1-aarch64-linux-gnu.tar.gz

6386174327bdc997d20eede6207d3de808001df75954ac6510b7ae17082ed4f6 qtum-22.1-arm-linux-gnueabihf-debug.tar.gz

bcbe629a2e7e0e4d4fdb536e15125d6325b0b00242caa233ad8a89cc82dd1c60 qtum-22.1-arm-linux-gnueabihf.tar.gz

964841681e60e5660c72b809c8b8ac8df3821cdfb49c3d1754dd1446b438ef9e qtum-22.1-powerpc64-linux-gnu-debug.tar.gz

5c7419867ddf268ed1572418028db88fdbb48a2267a359ef430c797e80c96979 qtum-22.1-powerpc64-linux-gnu.tar.gz

4d1a07deca2e0a5f24937fc50f5d22074e2c1add1f62ba0f422a7d8aa3eb1591 qtum-22.1-powerpc64le-linux-gnu-debug.tar.gz

9e5395f572cd5beaaf7ce271c2d9ab58a3b0f0e21cff72c55f0042399f4f968d qtum-22.1-powerpc64le-linux-gnu.tar.gz

4ce711362ee5ba91e96696a3f6ceb3daa7cb9fe85ad40ae76ee6cb930f2e202c qtum-22.1-riscv64-linux-gnu-debug.tar.gz

241ab12372bc74464a3430ca46488966232d9e90fa617f838e1d495ffcf0e628 qtum-22.1-riscv64-linux-gnu.tar.gz

d305361adf8f39c20d94a150d20b1347b0feee8cd8c286e82fd484b6d864a5b1 qtum-22.1-x86_64-linux-gnu-debug.tar.gz

34f2c6ca10026cc1600cfb3fbc1e606b7f163a15d98781866be6fc34e7269ea0 qtum-22.1-x86_64-linux-gnu.tar.gz

21cbd80f81eb6ed92fe2c49f838256a6e843fb1d606cac4764366c300e569226 src/qtum-22.1.tar.gz

f62440d323f6007b1240069acec399f6adf11eb5c7626aa499d46b0288f6fe67 qtum-core-linux-22-res.yml

74c858a3def612fa9295cb158718ae260fe399bac8a161c1adca04574392300f qtum-22.1-win-unsigned.tar.gz

f435228c13bc1f9ea423502db8a535bc87af2cc0f1d10825bc30ba0f78661562 qtum-22.1-win64-debug.zip

ab72e17d7d26c8d7a1bd08bd8e9e3b76e2fe4af2e1b68e5b5fce5be9b918dd8c qtum-22.1-win64-setup-unsigned.exe

ead2954d08558d4b2d1809a740ca6b9d8584b3e7bd2f1288f0e95292a58eab4d qtum-22.1-win64.zip

21cbd80f81eb6ed92fe2c49f838256a6e843fb1d606cac4764366c300e569226 src/qtum-22.1.tar.gz

08d01cc63b799d665d0edf8e6fb120da022e00880407cf1ff89f253a82b1b817 qtum-core-win-22-res.yml

8aaf4cc412dea60af1870c5f6f6667d84a1b91d51781b1b9e93f3d5178313573 qtum-22.1-osx-unsigned.dmg

4b5361f52db1e106c22a5dd1b021425a8cbfee8159c8b59c88c28d1e54ed9ec9 qtum-22.1-osx-unsigned.tar.gz

3e46814fe80986726e4ca3c567e9643c0ca1fe6222dcee0b3f9181b21c803e0b qtum-22.1-osx64.tar.gz

21cbd80f81eb6ed92fe2c49f838256a6e843fb1d606cac4764366c300e569226 src/qtum-22.1.tar.gz

ee79be62822684ba3a96e8c300f68e5da10f99623110b369a35f36c3b5c0924d qtum-core-osx-22-res.yml

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Qtum Core v22.0 - Hard Fork - Taproot - Schnorr Signatures - Evmone - Improvements and Bug fixes

27 May 22:20

qtum-neil

v22.0

8375a42

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Qtum Core v22.0 - Hard Fork - Taproot - Schnorr Signatures - Evmone - Improvements and Bug fixes

v22.0 – Hard Fork - Mandatory Update before block 2080512 (1967616 in testnet) – Taproot, Schnorr Signatures, Evmone - Improvements and Bug fixes.

Upgrade Qtum core to bitcoin core 22.0 including updates from 22.0 and 0.21.0. Main highlights:

Taproot/Schnorr signatures/Tapscript support.

Descriptor wallets: new sqlite wallet format support.

New rpc calls and rpc features like named arguments.

Signet network support.

Switch the EVM implementation to EVMone Fast Ethereum Virtual Machine.

Implement Berlin and London EVM upgrades.

Fix a callcontract rpc call memory leak issue.

Fix a bug that caused qtumd to crash on startup when replaying blocks in some cases.

Fix a bug that caused the wallet to crash when stopping the staker in some cases.

Fix sync progress bar speed in GUI wallet.

Fix build on Windows, macOS 12.

Add powerpc64 builds to release binaries.

Update nMinimumChainWork, defaultAssumeValid and chainTxData.

Add recent checkpoints.

Simplify release version format.

Update copyright year.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

264b1fdf138ce4f206bb7a7368ccc4a746d309bbe67dec1820f649054588c8ba qtum-22.0-aarch64-linux-gnu-debug.tar.gz

4361a9476ec8049c9953e896fd8f5da8e439b7627ffdf242c3cc5e2a1c6fa921 qtum-22.0-aarch64-linux-gnu.tar.gz

421d1377f13127a0fffc0d5f9914bd38da312d8f6104ab1818d92e9b343ef610 qtum-22.0-arm-linux-gnueabihf-debug.tar.gz

fa7ce411a346100d6d5983529d806afe51567923b80a4aaf81d2ff3e24e97e7a qtum-22.0-arm-linux-gnueabihf.tar.gz

02eb84fdad4eb795447e7b1237a794303e913beb62c0f0c7f6e1f45a001a3862 qtum-22.0-powerpc64-linux-gnu-debug.tar.gz

07b7a6faff242e39d40c437f5970da6bae5232821cf73d874057f39f4d664f95 qtum-22.0-powerpc64-linux-gnu.tar.gz

78459fd42a09e6563f016fae9d3ff8681112fed9f226f0f88647384eda09606e qtum-22.0-powerpc64le-linux-gnu-debug.tar.gz

5f231026dc4d51e8a7d7efe532540ecfbe480961f2616f18d2d2b35aa1078f0a qtum-22.0-powerpc64le-linux-gnu.tar.gz

afd5685ff7f95729eee52c6111c41616f9e4884924f55e9de97fa7ad49f11322 qtum-22.0-riscv64-linux-gnu-debug.tar.gz

68d15f27883024c2dd7a81395fe32b2bc512ed696f063cafb7a79fa0bf39d5d7 qtum-22.0-riscv64-linux-gnu.tar.gz

046b4859bf69e8f6a91135ad8985a801941bef03f5239088d3a0da38369d004d qtum-22.0-x86_64-linux-gnu-debug.tar.gz

2ad9da61f926ac37a2348e2cd0c481705a8debbe3be0131ed7c7f26a7ea7a472 qtum-22.0-x86_64-linux-gnu.tar.gz

253c381aef1fa982781bdd2ffd5ef1dd4d542a5423f0b835a48eadf79aca5fde src/qtum-22.0.tar.gz

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253c381aef1fa982781bdd2ffd5ef1dd4d542a5423f0b835a48eadf79aca5fde src/qtum-22.0.tar.gz

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c8ec444ee464c367472355ba378cb6725e5ca7ec18ea5a19fb001c1ab707d032 qtum-22.0-win64-setup-unsigned.exe

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253c381aef1fa982781bdd2ffd5ef1dd4d542a5423f0b835a48eadf79aca5fde src/qtum-22.0.tar.gz

5384bc14efb47ee0dabd99a3973fd06f69d3b6aa853ceef50bd4d28dc34f5c2c qtum-core-win-22-res.yml

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Mainnet FastLane v0.20.4 - Hardware wallet staking and GUI support - Improvements and Bug fixes

25 Nov 21:23

qtum-neil

mainnet-fastlane-v0.20.4

f5a195c

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Mainnet FastLane v0.20.4 - Hardware wallet staking and GUI support - Improvements and Bug fixes

v0.20.4 – Hardware wallet staking and GUI support - Improvements and Bug fixes

Add GUI support for hardware wallets.

Add contract calls, QRC20, delegations and staking support for Ledger nano S. Use Qtum Ledger Nano S Loader to install the new wallet and staking apps on the Ledger Nano S.

Use the new logo in the GUI wallet.

Fix a bug in ABI string list decoding.

Fix a bug that prevented setting a sender address in callcontract rpc call.

Fix a bug that caused transaction signing to fail in some cases.

Fix build on recent macOS versions.

Update nMinimumChainWork, defaultAssumeValid and chainTxData.

Add recent checkpoints.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

363db433900921d1f61f0a9a2158da2ecbcf3f3c7e21a8eef7aa252208d2d1fa qtum-0.20.4-aarch64-linux-gnu-debug.tar.gz

ec620d9657ab65a010600bbd0708e8b3373ef45cbf268f909a4b8ca0c09a22ef qtum-0.20.4-aarch64-linux-gnu.tar.gz

b1d120e12279adabc62d112d93c78677dd87cef6f183621ec4e7814270faecd1 qtum-0.20.4-arm-linux-gnueabihf-debug.tar.gz

703b4139e899648c00dd9fc38fd49814bf75003a48c06c74b48a922782f25c9f qtum-0.20.4-arm-linux-gnueabihf.tar.gz

773c2ca4b96b480e2dbdc576dbfbc67451f6ac4ee97de69a49e5b9b6ec668e72 qtum-0.20.4-riscv64-linux-gnu-debug.tar.gz

dbdbdf099d2e588458491e6a6a09e83a4564881ec2687261d9b56e4e07b9f067 qtum-0.20.4-riscv64-linux-gnu.tar.gz

f0bf130a86e5278cea3198a3e2034f0cb802cc4aae886c171afb55443d1837cf qtum-0.20.4-x86_64-linux-gnu-debug.tar.gz

bd9eb6e17140c612130fda17b131fcbe7acc4b5a025adf4520860b6b4f77b338 qtum-0.20.4-x86_64-linux-gnu.tar.gz

8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba src/qtum-0.20.4.tar.gz

15210b6e0bc085cc933ac4e83d1846306309f5529a08b8c1a61b8c3c8be81350 qtum-core-linux-0.20-res.yml

e8a1e764e238d8b1f9bc24d2186c88d8e27b7b03de59ff15de6a0d66aa9ba648 qtum-0.20.4-win-unsigned.tar.gz

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21f76d7d85aa9f63278f572b1602d4cd2bfbce2bb7defbb655201c819d60f8a1 qtum-0.20.4-win64-setup-unsigned.exe

8b0d7dd2c0865d38a127aec55d89bcfdf23e0886144d016cf004057a06877bb4 qtum-0.20.4-win64.zip

8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba src/qtum-0.20.4.tar.gz

c1fed584bdf199f9fde10b9aa2e5984077cd5705a499adf8af75c7d4b86b2fb3 qtum-core-win-0.20-res.yml

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7b5c29c4ea5acefc8b830defdcb681f8ddd5adb15a69ddbaf690e1147bc09324 qtum-0.20.4-osx64.tar.gz

8a0f108a867877b5327dba721297c160b6609280294748cc4754367884f3eeba src/qtum-0.20.4.tar.gz

f65aaac7dbd35e3c5dabf38e8fcc06105082b3763d7b77dce4f46aa704369380 qtum-core-osx-0.20-res.yml

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Mainnet FastLane v0.20.3 – QRC20 rpc calls - Improvements and Bug fixes

17 May 03:38

qtum-neil

mainnet-fastlane-v0.20.3

b8e7818

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Mainnet FastLane v0.20.3 – QRC20 rpc calls - Improvements and Bug fixes

v0.20.3 – QRC20 rpc calls - Improvements and Bug fixes

Add new rpc calls to manage QRC20 tokens:

qrc20name, qrc20symbol, qrc20totalsupply, qrc20decimals, qrc20balanceof, qrc20allowance, qrc20approve, qrc20transfer, qrc20transferfrom, qrc20burn, qrc20burnfrom, qrc20listtransactions.

Fix ROI approximation in getestimatedannualroi.

Improve logs display when using addrindex.

Fix a typo in searchlogs help message.

Add post FastLane fork checkpoints.

Update nMinimumChainWork and defaultAssumeValid.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

48c05e05e236e3482b2396939f050e2ee45e9d1aede87cdf07a417c1eaf690db qtum-0.20.3-aarch64-linux-gnu-debug.tar.gz

82950c76ce0287e58a6fb9a04faa3abd0f08eacaaadfa9317fc8e91bf7f8a272 qtum-0.20.3-aarch64-linux-gnu.tar.gz

f44d6c3c0224cb7e5730aeae91cffdad75876776fa9b95f4337a5dc28daa0098 qtum-0.20.3-arm-linux-gnueabihf-debug.tar.gz

1553bde5bed87ae3763e866d0295c1ec2d6c1631c1a178f9253a037e24574f5c qtum-0.20.3-arm-linux-gnueabihf.tar.gz

b08c28c227e90b1d7a466adbfd2c201c6db4b5d172bc4807d37cf00c3baaa17a qtum-0.20.3-riscv64-linux-gnu-debug.tar.gz

f11056fc1f43a180dd73219ce31f2ba90cbb0f894e86950207c18f137ed23c29 qtum-0.20.3-riscv64-linux-gnu.tar.gz

5cb320d834cead9bf257c8ebbf03f6f669bcbd1241e59156fe1999aab8afdfb2 qtum-0.20.3-x86_64-linux-gnu-debug.tar.gz

25629b6f3e3d5c0aa4501d20a890142e4b394dfff145de04496a527eaf8d2e18 qtum-0.20.3-x86_64-linux-gnu.tar.gz

85bedb63cbb76b0724e18646fbd2118e2d13cb12a254026096967256b977d3f3 src/qtum-0.20.3.tar.gz

9d388896741ac1be5bee36c14ce3f47b90ab265293c66feeb3196a1b7be397f1 qtum-core-linux-0.20-res.yml

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656b37abd91a71d2ad7121675ca5153b96674e826e93188892107b4e82d394a1 qtum-0.20.3-win64.zip

85bedb63cbb76b0724e18646fbd2118e2d13cb12a254026096967256b977d3f3 src/qtum-0.20.3.tar.gz

3108aaf87844d069e9ae6069ea52c35faeb32cb3eb5194ace904015511bfbf44 qtum-core-win-0.20-res.yml

f59f3666902d0840d5687746ca1336f943deda3bca0de4e08b2e611ef21a26f6 qtum-0.20.3-osx-unsigned.dmg

c93fa78b3b5f79bb7676ae9d8cd0e373864082f33a8aa48eef6208f77cb6dad0 qtum-0.20.3-osx-unsigned.tar.gz

76dfaafa0b54a024af3a89fba2f4ce8fa407d71f38549c4652d309ae8760f49d qtum-0.20.3-osx64.tar.gz

85bedb63cbb76b0724e18646fbd2118e2d13cb12a254026096967256b977d3f3 src/qtum-0.20.3.tar.gz

7f28a53c9032b5a3067acb1b467d36267739e0a28a01fcb8a3dcfff3b1d0bf48 qtum-core-osx-0.20-res.yml

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Mainnet FastLane v0.20.2 - Hard Fork - 32 seconds blocks - Improvements and Bug fixes

18 Mar 23:31

qtum-neil

mainnet-fastlane-v0.20.2

631efb9

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Mainnet FastLane v0.20.2 - Hard Fork - 32 seconds blocks - Improvements and Bug fixes

v0.20.2 – Hard Fork - Mandatory Update before block 845000 (806600 in testnet) – 32 seconds blocks - Improvements and Bug fixes

Implement QIP 26: Reduce block time to 32 seconds.

Update the EVM to include Istanbul and Muir Glacier updates: EIP 152, EIP 1108, EIP 1344, EIP 1884, EIP 2028, EIP 2200, EIP 2384.

New highly efficient Staker with multithread support.

Speed up GUI wallet startup time.

Improve GUI responsiveness when dealing with large wallets.

Add listconf rpc call to list active configuration options for qtumd/qtum-qt.

Add forceinitialblocksdownloadmode rpc call to force start a node in initial blocks download mode.

Add bloom filter, state and utxo roots to gettransactionreceipt rpc call.

Fix a focus bug that affected the amount textbox (issue #878).

Fix possible PoS bnTarget overflow in some rare cases.

Fix a bug that caused the wallet not to revert coinstake in some cases.

Fix a bug in call contract GUI when decoding ABI from newer solidity versions.

Remove obsolete Qmix link in Qt wallet.

Fix build with boost 1.75

Fix mac deploy for osx 11

Add debug information when certain transaction types get rejected.

Delete forked block indexes from disk when using -cleanblockindex.

Fix GUI wallet staking icon flicker in some cases.

Set EVM chainID for Qtum to 0x51

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

51a1fb2726b6ce99b15743bbe2db81fd1d1352ca2473d07d10625a2fea48c36d qtum-0.20.2-aarch64-linux-gnu-debug.tar.gz

abf6b42e43b365224f6ace6a934c907fef564b4d7a00304bcd0b36a38689653d qtum-0.20.2-aarch64-linux-gnu.tar.gz

47a60f4c98e384bdd9280e60b04afd22652b25c343f496b5e867cf674b9e3f60 qtum-0.20.2-arm-linux-gnueabihf-debug.tar.gz

a0f56b7abff5e2b15ac46e1c1b25bb39b6f0371dca162ccf5058ff8ac6e5273a qtum-0.20.2-arm-linux-gnueabihf.tar.gz

86eadc10d4ff4328b9bb18630fe8a04b7108f2f45bbb0e9f96dfa98467e6ec31 qtum-0.20.2-riscv64-linux-gnu-debug.tar.gz

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099a4f094e6eb50db9b849a824df3407daadcca9713c5a941557f791759b5ad8 qtum-core-linux-0.20-res.yml

a9a6c2db1c7cf7cf476f5b0d914e92c842003f030c4377483812812120f53b6e qtum-0.20.2-win-unsigned.tar.gz

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bdd3afc7e1339f7accbad1a4269deacecbceed4b92870436475266126f261ff0 qtum-0.20.2-win64.zip

06a5b844a7735d38e71f372e110b817b9e915e22323d4bf3cdf4f0726c235e72 qtum-core-win-0.20-res.yml

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14538ea562ae3e8fcfb8b7ae265fd4a74c0d041384da2c62b1a0ef6d9b82cc64 qtum-0.20.2-osx64.tar.gz

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e5b8a5d5152613f24b7a3e6474e7672345ec2d57cd52957ff3f9c2716cfc49f3 src/qtum-0.20.2.tar.gz

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Mainnet Ignition v0.20.1 - Upgrade to bitcoin core 0.20.1 - Improvements - Bug fixes

13 Oct 05:02

qtum-neil

mainnet-ignition-v0.20.1

b247f55

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Mainnet Ignition v0.20.1 - Upgrade to bitcoin core 0.20.1 - Improvements - Bug fixes

What's new

v0.20.1 - Mainnet Ignition v0.20.1 - Upgrade to bitcoin core 0.20.1 - Bug fixes

Upgrade Qtum core to bitcoin core 0.20.1 including updates from 0.20.0 and 0.20.1.

Add RPC calls for custom super staker configuration from cli: setsuperstakervaluesforaddress, listsuperstakercustomvalues, listsuperstakervaluesforaddress, removesuperstakervaluesforaddress.

Change stakingwhitelist and stakingblacklist to stakingallowlist and stakingexcludelist.

Update callcontract RPC call to estimate the gas needed for creating a contract.

Add amount option to callcontract RPC call.

Split the total weight into staker weight and delegations weight for RPC call getstakinginfo.

Allow min utxo value < 100 in GUI wallet.

Add matured weight for delegation in RPC call getdelegationsforstaker.

Update coinstake display in RPC calls for transactions.

Fix a bug that caused fundrawtransaction to fail in some cases.

Fix build with boost 1.73.0.

Fix compiler error for Qt5 5.15.

Move redundant lock in getblockhashes to blockOnchainActive.

Update blockchain data.

Add post fork checkpoints.

Fix minor GUI typos.

Hash validation

If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:

2991fdfc429665d435eb1b588dcd814b76052881929252082c2e1f8fe986da8f qtum-0.20.1-aarch64-linux-gnu-debug.tar.gz

fe9d0367da6e10aaa7361fa445fc93092785480ea94eda76788238c63a18ce1f qtum-0.20.1-aarch64-linux-gnu.tar.gz

cb92c55d870760e4aacfcc476d873b2bd08768d8eb54c7239672263dd7eed53c qtum-0.20.1-arm-linux-gnueabihf-debug.tar.gz

9044f1ce4510b6b04dc726aa3266aebe05c5a4467d14d5e84eb4033547775ad9 qtum-0.20.1-arm-linux-gnueabihf.tar.gz

9121afa8b2a01efc4ab91df147864b1c9d075161060e882a1839dec6c304b920 qtum-0.20.1-riscv64-linux-gnu-debug.tar.gz

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99888e8f6249904f90794c4da015f77861d87341647de19162f71c38c95f34aa qtum-0.20.1-x86_64-linux-gnu-debug.tar.gz

e9a77eb3e2b76625fdc8058c12bc0790309b24b9c1ac39f4895e4f8756cf0010 qtum-0.20.1-x86_64-linux-gnu.tar.gz

41b4d50aabb06d2dac9a31d25a50f5a019346de7472aa1f8cd46a94a53a02a9e src/qtum-0.20.1.tar.gz

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b6efacc002223aa9a72a28a7f23e4b28b008f43c47af0a61ccee2437b410314c qtum-0.20.1-win64-setup-unsigned.exe

3f149b6b191532b9fc477e62213c5cf0ba2de8b87eb677f04e95824684404fe6 qtum-0.20.1-win64.zip

41b4d50aabb06d2dac9a31d25a50f5a019346de7472aa1f8cd46a94a53a02a9e src/qtum-0.20.1.tar.gz

64b5748ce6781440f7beaeee11b9790b1791fb1453a8fced89c3c2adcf6eeea2 qtum-core-win-0.20-res.yml

cf909f0292020fd140011e79f22894639e1bf013ed83021a55b9ba8324ddbc33 qtum-0.20.1-osx-unsigned.dmg

6bdaced3e8a34fe466da2ecc24ecf18d10c31b2020269b5f9ae9386b3a0334cd qtum-0.20.1-osx-unsigned.tar.gz

830b779564f9fc2f039282f9b01ffd8fe1644b8b9a341980cf26e0f33da54dcc qtum-0.20.1-osx64.tar.gz

41b4d50aabb06d2dac9a31d25a50f5a019346de7472aa1f8cd46a94a53a02a9e src/qtum-0.20.1.tar.gz

935598d1484b933c0880270399c7f69f6242c8cddcd3dc9f194e6d6d8945786f qtum-core-osx-0.20-res.yml

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量子链(Qtum) - 知乎

量子链(Qtum) - 知乎首页知乎知学堂发现等你来答​切换模式登录/注册量子链(Qtum)暂无话题描述关注话题​管理​分享​讨论精华视频等待回答​切换为时间排序20年前的程序员是怎么学会编程的?刘宇峰程序员这是个非常好的问题,可以从程序员的学习成本和学习方式变化,看到软件这个产业的变迁。来看下我的学习经历 我最开始接触计算机,是1995年左右,在做电脑业务的小作坊里。这种小作坊类似于小网吧,不过当时没联网,只是放了几台电脑供人按小时付费使用。大多数人主要用电脑玩下游戏,同时老板也做些文字处理,电脑维修等业务。 当时之所以开始接触计算机知识,是因为在这种电脑室里玩游戏,不得不面对一个问题,因为电脑是按小时…阅读全文​​赞同 12​​添加评论​分享​收藏​喜欢20年前的程序员是怎么学会编程的?自行一个爱好户外活动的码农。如果从我学敲第一行代码算起,应该刚好有 20 年了。作为一个「野生程序员」,一句话足以概括:凭兴趣磨会的。 凭借着 Word 的底子,最开始只会用 FrontPage 做些简单的 HTML 网页。说起来是做网页,却不用我写一行 HTML 代码。打几行字,插几个图片,稍微排下版。然后用超链接把做好的几个网页链起来。就这样收获了一些钦佩和夸奖,还帮人做了些个个人网站。 [图片] 那些表达钦佩和夸奖的言语现在看起来不过是人际交往中提升友好度的「…阅读全文​​赞同 3​​4 条评论​分享​收藏​喜欢量子链(QTUM)尽管跌98%,但依然稳健Yoriwww.910btc.com作者丨莱道君 来源丨莱道区块链(laidaoblockchain) 在今年7月份,随着李笑来录音曝光事件,量子链饱受质疑。李笑来在录音中表示:李笑来称,“我帮着量子链卖了六个月的’空气币’”。对此,李笑来回应称,这个“空气币”是带引号的,最初那六个月里,量子链还没有主网上线,所以只能用ERC20代币,所以,当时外界就把量子称作“空气币”。 [图片] 要知道,在2017年量子链也算是个明星项目,量子链(Qtum)在经过117小时的代币兑换众筹…阅读全文​​赞同 2​​添加评论​分享​收藏Qlink如何重新定义更公平的网络中性原则?allen什么是网络中性原则:网络中性原则就是网络设施的建设者对网络上应用流量进行公平对待,不能通过歧视性收费或者限制,影响用户访问网络内容的权利。 网络中性原则毫无疑问对网络设施建设者来讲是不利的。因为网络设施建设者无法从网络设施中根据内容和流量获得更高的价值,而网络基础设施既要抑制自己流量价值最大化的利益冲动,又要因为自己作为中心节点而背负起保证用户访问网络权利的责任,可谓既是裁判又是运动员。 所以网络…阅读全文​​赞同 2​​1 条评论​分享​收藏20年前的程序员是怎么学会编程的?davy医生现身说法,几年39,14、5开始学的,也算20多年前了。 最开始只有裕兴学习机(98型?),学浮点basic(给basic加入了浮点运算功能),学中文basic(知乎上很多人心心念的中文编程?),游戏basic(可以手撸大金刚),logo(用来画图的小海龟,可惜当时不明白电视的像素不是正方形,导致怎么也画不出一个正圆)。当然,主要的精力还都是放在了玩游戏和试图免费拷贝游戏盘,修改游戏上了。买了本裕兴公司出的《6502汇编语言》,还买…阅读全文​​赞同 1​​添加评论​分享​收藏​喜欢大话币圈丨量子链QTUM:国产第一大空气币,李笑来录音门亲证BB财经www.bbcaijing.cn从区块链眺望未来[图片] [图片] 前言: 量子链自白皮书发布到现在,一直不乏质疑之声:量子链到底是不是骗子项目?而前些日子李笑来录音门事件的爆发,一句“给帅初卖了六个月的空气币”,更是将量子链推上风口浪尖。的确,劣迹斑斑的前科,东拼西凑的代码,量子链“实现比特币生态和以太坊生态兼容”的美好愿景,宛如一个笑话。 一、破发之王——创始人帅初的重重黑历史话说量子链的创始人帅初,这个人的故事比量子链本身还要有意思。 [图片] 帅初,本名戴旭光,又名S…阅读全文​​赞同 4​​添加评论​分享​收藏20年前的程序员是怎么学会编程的?Martin Wang码丁我1997年开始接触编程,那个时候是学的C,对,就是谭浩强的那本C,别黑谭浩强了,那个时候,就我的境界,除了谭浩强的C还真的很难找到一本讲C语言的教程。用的还是Turbo C 2.0。我学了1个学期过了2级就让这本书吃灰去了。确实一堆各种各样的奇葩问题,什么i = ++i++之类的。我不是计算机系的,那个时候还是Win95/98的时代,但是学校机房还是Win 3.x,大家都喜欢图形界面的程序。自己感觉,怎么会有C这个奇葩语言,简直反人类,编…阅读全文​​赞同 9​​2 条评论​分享​收藏​喜欢Qlink+InkChain可以重构搜索引擎么?allen搜索引擎是互联网时代最成功的内容分发模式。即使在移动互联网流量超越PC互联网情况下的AppStore也无法跟搜索引擎媲美。虽然移动互联网时代的流量分发已经集中在几个超级APP的手里。但是无论是技术贡献力,还是对未知信息的拓展效率上都无法跟搜索引擎相比。更不用说搜索引擎对AI和大数据的驱动贡献。 所以无论从那个角度看,搜索引擎都是信息技术的一个高峰点。 但是传统的搜索引擎对用户来讲还是一个纯粹的信息检索工具,然后…阅读全文​​赞同 2​​1 条评论​分享​收藏基于量子链的三个项目,又引发一波赚钱效应投机小作手这里什么都没有币圈胡侃 [图片] 我前面文章有提到过,现在又出来新的ico方式,就是项目方直接把币打到交易平台,然后在某个价位挂巨额卖单出售。不得不说,国人现在真的是会玩啊,创新意识已经走到世界前列!这样既能规避了政策风险,又能融到很多资金,然后把自己的币卖出去,最后也直接在交易所上线了。对于这种操作方式,继ICO(首次代币发售)IFO(首次分叉发售)后,就取名为IEO(首次交易发售)吧! 这三个项目,都是基于量子链上面开发的项目; …阅读全文​​赞同 5​​1 条评论​分享​收藏浏览量169 万讨论量793  帮助中心知乎隐私保护指引申请开通机构号联系我们 举报中心涉未成年举报网络谣言举报涉企虚假举报更多 关于知乎下载知乎知乎招聘知乎指南知乎协议更多京 ICP 证 110745 号 · 京 ICP 备 13052560 号 - 1 · 京公网安备 11010802020088 号 · 京网文[2022]2674-081 号 · 药品医疗器械网络信息服务备案(京)网药械信息备字(2022)第00334号 · 广播电视节目制作经营许可证:(京)字第06591号 · 服务热线:400-919-0001 · Investor Relations · © 2024 知乎 北京智者天下科技有限公司版权所有 · 违法和不良信息举报:010-82716601 · 举报邮箱:jubao@zhihu.

Qtum量子链官网 - 简介

Qtum量子链官网 - 简介

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Qtum量子链

Qtum量子链 概览

名称:Qtum量子链

类型:加密货币

官网:qtum-china.com

Qtum量子链 介绍

量子链(Qtum)是首个建立在 UTXO 模型之上,采用 PoS 共识机制和去中心化治理机制,且兼容多虚拟机的价值传输网络和智能合约平台的区块链项目。

Qtum量子链 创始人

帅初

Qtum量子链 上线时间

2017/3/16 0:00:00

简介

Qtum Blockchain(简称“量子链”或“Qtum”)致力于开发比特币和以太坊之外的第三种区块链生态系统,通过价值传输协议(“Value Transfer Protocol”)来实现点对点的价值转移,并根据此协议,构建一个支持多个行业(包括金融、物联网、供应链、社交、游戏等)的去中心化的应用开发平台(“DApp Platform”)。通过合并改进版本的比特币核心基础架构和可以相互兼容的以太坊虚拟机版本,量子链既拥有比特币坚不可摧的区块链网络又能发挥智能合约的无限可能。QTUM币用于访问Dapp、代币投票、社区自治、应用功能消耗/支付。

简介-创始人物-货币特征-产生原理-应用前景

版权所有 Qtum量子链 官网Copyright © 2006-2021 qtum-china.com

GitHub - qtumproject/qtum: Qtum Core Wallet

GitHub - qtumproject/qtum: Qtum Core Wallet

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qtumproject/qtum

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 masterBranchesTagsGo to fileCodeFolders and filesNameNameLast commit messageLast commit dateLatest commit History43,056 Commits.github.github  .tx.tx  build-aux/m4build-aux/m4  build_msvcbuild_msvc  cici  contribcontrib  dependsdepends  docdoc  shareshare  srcsrc  testtest  .cirrus.yml.cirrus.yml  .editorconfig.editorconfig  .gitattributes.gitattributes  .gitignore.gitignore  .gitmodules.gitmodules  .python-version.python-version  .style.yapf.style.yapf  CONTRIBUTING.mdCONTRIBUTING.md  COPYINGCOPYING  Changelog.mdChangelog.md  INSTALL.mdINSTALL.md  Makefile.amMakefile.am  README.mdREADME.md  SECURITY.mdSECURITY.md  autogen.shautogen.sh  configure.acconfigure.ac  libbitcoinconsensus.pc.inlibbitcoinconsensus.pc.in  View all filesRepository files navigationREADMEMIT licenseSecurityWhat is Qtum?

Qtum is a decentralized blockchain project built on Bitcoin's UTXO model, with support for Ethereum Virtual Machine based smart contracts, and secured by a proof of stake consensus model. It achieves this through the revolutionary Account Abstraction Layer which allows the EVM to communicate with Qtum's Bitcoin-like UTXO blockchain. For more general information about Qtum as well as links to join our community, go to https://qtum.org

Welcome to the Qtum Fastlane Main Network. This is the main network where the tokens hold value and should be guarded very carefully. If you are testing the network, or developing unstable software on Qtum, we highly recommend using either testnet or regtest mode.

The major features of the Qtum network include:

Compatibility with the Ethereum Virtual Machine, which allows for compatibility with most existing Solidity based smart contracts. No special solidity compiler is required to deploy your smart contract to Qtum.

A Proof of Stake consensus system which is optimized for Qtum's contract model. Any user can stake and help to secure the network. There is no voting, master nodes, or minimum amount required. There have been transactions as small as 2 Qtum that have created blocks in the past. Staking from smart contracts is under development.

The Decentralized Governance Protocol is completely implemented and functional, which allows certain network parameters to be modified without a fork or other network disruption. This currently controls parameters like block size, gas prices, etc.

Uses the UTXO transaction model and is compatible with Bitcoin, allowing for existing tooling and workflows to be used with Qtum. This allows for the infamous SPV protocol to be used which is ideal for light wallets on mobile phones and IoT devices.

Note: Qtum Core is considered beta software. We make no warranties or guarantees of its security or stability.

Qtum Documentation and Usage Resources

These are some resources that might be helpful in understanding Qtum.

Basic usage resources:

User guide

Qtum-Qt Wallet Tutorial

Qtum staking tutorial

Qtum tutorial on Raspberry Pi

Running Qtum on Amazon AWS using Qtum AMI

Encrypting and unlocking wallet

Testnet guide

Block explorer, Older explorer

Development resources:

Qtum Book - A Developer's Guide To QTUM

Qtum contract usage

Deploying a custom token to Qtum

QtumJS document

Smart contract ICO example

Early example faucet contract

General Info about Qtum:

CIRCLERESEARCH Qtum Primer

Qtum's PoS vs CASPER

Technical article explaining Qtum's PoS model in depth

Developer's Tools

Smart contract deployment tool

https://github.com/qtumproject/solar

DApp JavaScript Library

https://github.com/qtumproject/qtumjs

A toolkit for building qtum light wallets

https://github.com/qtumproject/qtumjs-wallet

CORS qtumd RPC proxy for DApp

https://github.com/qtumproject/qtumportal

Docker images for running qtum services

https://github.com/qtumproject/qtum-docker

qtum.info API that powers the block explorer and the QTUM Web wallet

https://github.com/qtumproject/qtuminfo-api#qtuminfo-api-documentation

What is Qtum Core?

Qtum Core is our primary mainnet wallet. It implements a full node and is capable of storing, validating, and distributing all history of the Qtum network. Qtum Core is considered the reference implementation for the Qtum network.

Qtum Core currently implements the following:

Sending/Receiving QTUM coins

Sending/Receiving QRC20 tokens on the Qtum network

Staking and creating blocks for the Qtum network

Creating and interacting with smart contracts

Running a full node for distributing the blockchain to other users

"Prune" mode, which minimizes disk usage

Regtest mode, which enables developers to very quickly build their own private Qtum network for Dapp testing

Testnet mode, using the public Qtum Testnet, with faucet available

Compatibility with the Bitcoin Core set of RPC commands and APIs

Full SegWit capability with p2sh-segwit (legacy) and bech32 (native) addresses

Alternative Wallets

Qtum Core uses a full node model, and thus requires downloading the entire blockchain. If you do not need the entire blockchain, and do not intend on developing smart contracts, it may be more ideal to use an alternative wallet such as one of our light wallets that can be synchronized in a matter of seconds.

Qtum Web Wallet

A browser wallet that supports the Ledger hardware wallet, offline cold wallet, restoration from mobile wallets, creation of QRC20 tokens and QRC1155 NFTs.

Web site https://qtumwallet.org

User documentation https://github.com/qtumproject/documents/tree/master/en/QTUM-WebWallet-usage

Qtum Electrum

A light wallet that supports the Ledger and Trezor hardware wallets and is based on the well-known Electrum wallet software.

Download: https://github.com/qtumproject/qtum-electrum/releases

iOS and Android Wallets

These wallets run on mobile devices and synchronize quickly.

Android Download: https://play.google.com/store/apps/details?id=org.qtum.newwallet

iOS Download: https://github.com/qtumproject/qtum-ios (open source, deprecated)

Qnekt Chrome Wallet

This light wallet runs in your Chrome browser as a browser extension, based on the popular MetaMask wallet.

Community Resources

Make sure to check out these resources as well for more information and to keep up to date with all the latest news about Qtum. At least 1 developer is always around, so if you're developing on Qtum and need help, we'd love to welcome you to our community.

@Qtum on Twitter https://twitter.com/qtum

Qtum blog https://blog.qtum.org/

Qtum Telegram Group https://t.me/qtumofficial, other languages available

Qtum Discord https://discord.com/invite/DCPGvUCms5

/r/Qtum on Reddit https://www.reddit.com/r/Qtum/

Qtum.org https://qtum.org

Qtum on Facebook https://www.facebook.com/QtumOfficial/

Qtum Smart Contract Limitations

EVM smart contracts cannot receive coins from or send coins to any address type other than pay-to-pubkeyhash (starts with Q) addresses. This is due to a limitation in the EVM

Contracts are not allowed to create contracts with an initial endowment of coins. The contract must first be created, and then be sent coins in a separate transaction. Humans are also not allowed to create contracts with an initial endowment of coins.

Although all of the infrastructure is present, Qtum Core does not currently parse Solidity event data. You must parse this yourself using either searchlogs or -record-log-opcodes features.

It is not possible to send a contract coins without also executing the contract. This is also the case of Ethereum. This was promised in earlier discussions and technically does work, but due to lack of time for testing this feature was disabled.

In Qtum there can be multiple addresses used to create a proof-of-stake block. However, the EVM can only see the first output using the coinbase operation in Solidity (this address is also the one registered for the continuous staker rewards after 2000 blocks).

Building Qtum Core

Validate and Reproduce Binaries

Qtum uses a tool called Gitian to make reproducible builds that can be verified by anyone. Instructions on setting up a Gitian VM and building Qtum are provided in Gitan Building

Build on Ubuntu

This is a quick start script for compiling Qtum on Ubuntu

sudo apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils git cmake libboost-all-dev libgmp3-dev

sudo apt-get install software-properties-common

# If you want to build the Qt GUI:

sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler qrencode

git clone https://github.com/qtumproject/qtum --recursive

cd qtum

# Note autogen will prompt to install some more dependencies if needed

./contrib/install_db4.sh `pwd`

./autogen.sh

./configure

make -j2

Build on CentOS

Here is a brief description for compiling Qtum on CentOS, for more details please refer to the specific document

# Compiling boost manually

sudo yum install python-devel bzip2-devel

git clone https://github.com/boostorg/boost.git

cd boost

git checkout boost-1.66.0

git submodule update --init --recursive

./bootstrap.sh --prefix=/usr --libdir=/usr/lib64

./b2 headers

sudo ./b2 -j4 install

# Installing Dependencies for Qtum

sudo yum install epel-release

sudo yum install libtool libdb4-cxx-devel openssl-devel libevent-devel gmp-devel

# If you want to build the Qt GUI:

sudo yum install qt5-qttools-devel protobuf-devel qrencode-devel

# Building Qtum

git clone --recursive https://github.com/qtumproject/qtum.git

cd qtum

./autogen.sh

./configure

make -j4

Build on Mac OS

The commands in this guide should be executed in a Terminal application.

The built-in one is located in /Applications/Utilities/Terminal.app.

Preparation

Install the Mac OS command line tools:

xcode-select --install

When the popup appears, click Install.

Then install Homebrew.

Dependencies

brew install cmake automake berkeley-db@4 libtool boost miniupnpc openssl pkg-config protobuf qt@5 libevent imagemagick librsvg qrencode gmp

NOTE: This will work for building on Intel Macs and Apple Silicon Macs

NOTE: Building with Qt4 is still supported, however, could result in a broken UI. Building with Qt5 is recommended.

Build Qtum Core

Clone the qtum source code and cd into qtum

git clone --recursive https://github.com/qtumproject/qtum.git

cd qtum

Build qtum-core:

Configure and build the headless qtum binaries as well as the GUI (if Qt is found).

You can disable the GUI build by passing --without-gui to configure.

./autogen.sh

./configure

make

It is recommended to build and run the unit tests:

make check

Run

Then you can either run the command-line daemon using src/qtumd and src/qtum-cli, or you can run the Qt GUI using src/qt/qtum-qt

License

Qtum is GPLv3 licensed.

Development Process

The master branch is regularly built and tested, but is not guaranteed to be

completely stable. Tags are created

regularly to indicate new official, stable release versions of Qtum.

The contribution workflow is described in CONTRIBUTING.md

and useful hints for developers can be found in doc/developer-notes.md.

Testing

Testing and code review is the bottleneck for development; we get more pull

requests than we can review and test on short notice. Please be patient and help out by testing

other people's pull requests, and remember this is a security-critical project where any mistake might cost people

lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to

submit new unit tests for old code. Unit tests can be compiled and run

(assuming they weren't disabled in configure) with: make check. Further details on running

and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written

in Python.

These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS,

and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the

code. This is especially important for large or high-risk changes. It is useful

to add a test plan to the pull request description if testing the changes is

not straightforward.

Translations

Changes to translations as well as new translations can be submitted to

Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the

translation process for details on how this works.

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Qtum Ordinals - Qtum Documentation

Qtum Ordinals - Qtum Documentation

QQQtum DocumentationSearch⌃KQtum Features and AdvancesQtum OrdinalsChapter 1: Introduction to ordinalsChapter 2: Understanding Inscriptions in DepthChapter 3: The Intricacies of Ordinals on the BlockchainChapter 4: Engineering Ordinals within Qtum's ArchitectureChapter 5: Prerequisites for Engaging with Ordinals on QtumChapter 6: The Procedure for Inscribing a Satoshi with OrdinalsInscribing Messages on Qtum TestnetQtum-BIP38Qtum WalletQtum-Core Wallet DocumentationStaking and NodesSecure Staking With Qtum Star NetworkStaking DocumentationOther WalletsWallets Supporting QtumRPC CALLS AND APIQTUM RPC CALLSQTUM RPC APIQtum DeploymentGuidance on Qtum DeploymentBuilding Qtum on LinuxGuidance for Exchange DeploymentSmart Contracts and QRC20 TokensQRC20 Token integrationQRC20 Integration Technical GuideRaw QRC20 Transaction implementation guideWEB3Web3 Compatibility LayerJanus Docker ContainerTruffleDifferences between EVM chainsQNEKTQNEKTWhy Fork Metamask ?Sideloading QnektSetting up QNEKTWorking with Testnet Coins on QNEKTConnecting QNEKT to regtestQNEKT Regtest with react-boxResearchConfidential AssetsData AnalyticsPowered By GitBookQtum OrdinalsThis comprehensive document explores the concept of ordinals, a revolutionary protocol that assigns unique serial numbers to individual cryptocurrency units, such as satoshis in Bitcoin and Qtum. Spanning six chapters, it delves into the intricacies of ordinals, comparing them with NFTs, elucidating the purpose and technical underpinnings of inscriptions, and explaining their implementation on both Bitcoin and Qtum networks. The guide illuminates how ordinals enable the creation of bitcoin-native digital artifacts, stored entirely on-chain via taproot script-path spend scripts. It also covers the practical aspects, including the requirements for and steps to inscribe a satoshi, highlighting the protocol's adaptability across both networks. This document serves as an authoritative resource for those with technical expertise, seeking to understand or engage with the ordinal system in the realms of Bitcoin and Qtum.NextChapter 1: Introduction to ordinalsLast modified 29d ago

Qtum(量子链)深度解读:比特币和以太坊的儿子投资价值几何? - 知乎

Qtum(量子链)深度解读:比特币和以太坊的儿子投资价值几何? - 知乎首发于区块链小教室切换模式写文章登录/注册Qtum(量子链)深度解读:比特币和以太坊的儿子投资价值几何?区块链小教室量子链和小蚁、比原链并称为中国区块链三剑客,在之前的测评中我们知道小蚁是中国第一原创区块链项目,被称为中国的以太坊;比原链则专注于金融资产的上链交易流通,这两个项目在区块链领域都非常优秀。那量子链作为三剑客之一,被网友称为比特币和以太坊的儿子,它是否具有投资价值呢?希望读完本文大家能有自己的判断。Qtum基本介绍Qtum Blockchain (简称“量子链”或“Qtum”)致力于开发比特币和以太坊之外的第三种区块链生态系统,通过价值传输协议(“Value Transfer Protocol”)来实现点对点的价值转移,并根据此协议,构建一个支持多个行业(包括金融、物联网、供应链、社交、游戏等)的去中心化的应用开发平台(“DApp Platform”)。量子链旨在一个安全可靠并且与以太坊社区和比特币系统兼容的平台,在技术创新上似乎没有那么大胆,更多地借鉴和吸取了比特币和以太坊的优势,而弥补了它们的不足之处。Qtum的技术特点1.量子链的共识机制被设计成模块化的,在公链网络中基于POS机制提出IPOS机制;在联盟链中,采取Proof of Time 和Raft结合的共识协议,实现高速的区块链共识网络。共识机制是区块链的核心,我们在解读每个项目的时候都会分析该项目采用的是何种共识机制。在公链网络中,量子链采取IPOS共识机制,即在传统的POS共识机制上增加激励措施,通过对于经常在线的节点设计更高的利息来鼓励更多的节点在线。此外,在传统的POS共识机制中,节点的启动时间也会影响网络的安全性,因此,IPOS协议将移除节点最小启动时间的限制,使节点可以在较短的时间内上线并且参与到网络的维护中。量子链的IPOS共识机制仅仅是对POS共识机制的微调,并未有颠覆性的创新,也存在POS共识机制不够安全的问题。在Qtum联盟链系统中,涉及到身份识别和可信网络,更多的是在一个受限的小组中,量子链针对联盟链系统提出的Proof of Time 和Raft协议来设计相应的共识机制,设计的目标是满足可扩展性和低延时的特点。2.量子链基于比特币与以太坊两大生态,兼顾了比特币的安全性和以太坊的灵活性。比特币是目前运行时间最长、最稳定的区块链系统,唯一的缺点在于没有提供向下兼容的、无侵入式的升级策略。量子链在设计之初,就尽量保持与比特币系统的兼容性,例如同样适用UTXO的交易模型和相同的交易数据结构等。以太坊是目前DAPP数量最多的智能合约虚拟机,它有许多待完善的地方,Dao攻击带来的硬分叉也削弱了它的公信力,但是它的出现,极大的扩展了区块链技术的应用场景,兼容它的协议要远比重建一个新的协议再推广合算。因此,量子链的虚拟机将保持和以太坊虚拟机的兼容性,所有在以太坊平台上面开发的智能合约,也可以在量子链平台上面运行。量子链创始人帅初表示在设计量子链这个平台之初,他想把智能合约的能力注入到比特币的整个生态系统里面,并且真正实现区块链的普及化应用。由此可见,量子链吸取了比特币网络的安全性,同时又兼顾了以太坊网络的灵活性。3.量子链延续了比特币的UTXO技术,增强了网络的稳定性。在《BTM(比原链)深度解读:为什么说BTM最可能是下一个百倍币?》中,我们比较过比特币的UTXO模型和以太坊的账户模型,比特币的UTXO可以防止双花、且非常安全,但缺点是单一资产;而以太坊的账户模型,全局状态树记录,尺寸小,同样具有缺点:交易是单一资产间进行,无法并行,而且基于ERC-20的智能合约出现漏洞就很容易被黑客攻击。因此,比原链对比特币的UTXO模型加以了改进,采用自己独创的BUTXO模型。量子链则直接简单粗暴地借鉴了比特币的UTXO模型,尽管网络的稳定性增加了,但旺老师的疑虑在于量子链如何规避UTXO模型的资产单一的局限性。4.量子链引入主控合约概念,将链外数据接入区块链。尽管区块链技术拥有巨大的潜力,企业、政府和其他传统组织在实施区块链解决方案时仍十分艰难。这些组织大多数并未使用区块链智能合约,原因是智能合约只能在独立的区块链环境中运行。基于智能合约的商业模式的巨大优势也因为这个原因受到了很大的削弱。为了消除这些技术和法律上的障碍并充分发挥区块链技术的潜能,量子链引入了主控合约(Master Contract)的概念。所谓主控合约,是指合约触发条件来自链外,可以接入链外。因此,主控合约使得去中心化应用(DApps)和智能合约可以连接现实商业社会并接收链下数据,也使其可以被经过认证的Oracle或合约仲裁人审计。与此同时,合约的关键要素,如参与方、授权结构仍被安全的储存在区块链上。这个模式使得基于区块链的商业模式可以符合不断变化的商业规则和监管要求,同时拥有实时的数据接口,并从股票市场、天气预报、新闻机构等数据源获取数据,因为在区块链公链上运行真实商业社会的智能合约可能需要引入外部数据,即链下数据,如金融数据、财务数据、商业数据、气象数据、社交数据等。5.量子链团队正在开发支持多种编程语言的量子链 x86虚拟机。目前,Qtum区块链的核心依然是使用以太坊虚拟机(EVM),虽然以太坊虚拟机为智能合约的实现提供了基础,但是它也一直存在一些缺陷。如仅支持Solidity语言,并且缺乏编程语言的标准库,使得开发者常常需要自己编写函数,不仅占用区块链存储空间,还拖慢了运行速度;另外一方面由于Solidityb编程语言没有标准库,因此在以太坊虚拟机上运行智能合约的工作总量浩大,造成Gas消耗量非常大。基于以上不足,Qtum 的联合创始人Jordan Earls一直以来都在致力于推动量子链 x86 虚拟机(x86VM)的开发。X86虚拟机采用Rust轻量级编程语言,不仅高效,而且具有较高的安全性,能够避免程序员在编程中可能出现的错误。同时可以完善以太坊虚拟机存在的问题,包括增加标准库,为标准库函数提供内部代码,节省内存、提高效率;优化Gas模型,降低Gas消耗量等。总的来看,量子链在技术上并无较大创新,主要借鉴了比特币和以太坊的优势,旨在比特币和以太坊之间搭建一个桥梁,让真实商业社会与区块链世界连接。Qtum团队分析官网资料显示,量子链拥有一个非常有经验国际化团队,团队成员具有多年的区块链行业、密码学和虚拟货币社区的经验。量子链项目开发团队共有 17位核心开发者,由帅初带领。帅初本名戴旭光,2012年在中科大和中科院读博士期间,帅初就开始研究加密货币和其底层技术,看到了区块链的无限前景,于是决定博士辍学投身区块链行业。在量子链推出之前,帅初曾有过几次丑闻。第一次是在2014年,一个名叫StevenDai的人参与了名为Bitbay的项目,该项目筹集了1300个BTC,然而Steven Dai却很快将其中的200个BTC转移,随后又大量抛售Bitbay发行的代币并放弃该项目,此事被认为涉嫌欺诈。事件的矛头指向了帅初,2017年9月,帅初就此事进行回应表示,自己的确曾用Steven Dai这个名字,但他否认Bitbay丑闻。他的离开是“因为撰写博士论文和当时在阿里巴巴工作而没有足够的时间来经营,并且尽最大努力给项目方预留了资金。”第二次是2015年4月,帅初和合作伙伴张红一同成立快贝科技网络有限公司,帅初任CTO,负责撰写贝壳链-一个类似比特币的P2P网络。张红表示帅初花两个月的时间就把代码写完,但后来运行时根本不能用,完全是抄袭别人的,他认为帅初没有多大的技术能力。以下团队其他成员情况:可以看出,尽管团队创始人帅初的技术实力没有那么强大,但是团队其他成员大多在区块链领域具备丰富的经验,并且国际化程度较高。Qtum项目进展1. 项目当前进展量子链按照白皮书里的规划进展较为顺利,主网已于2017年9月8日正式发布,2018年2月2日,量子链已在太空建立网络全节点,截至2018年5月16日,主网一共有6869个节点,节点遍布世界各地。目前已经有25个项目在Qtum量子链上正式落地。量子链技术路线规划如下:第一阶段:量子链网络(Qtum Network)(1)融合比特币和以太坊的优点,普通交易不需要虚拟机,合约交易走虚拟机,所有交易最终都是无状态的UTXO的交易模型(2)无状态带来无序和并发,更好的拓展性和安全性(3)基于Qtum改进的POS机制,任何节点都可能成为记账节点,最大化网络的去中心化程度,节点只有奖励,没有惩罚(4)SPV 和移动端策略 和Smart Contract Hub,把去中心化应用和智能合约推向C端用户(5)网络处理能力是比特币的10倍,支持隔离验证(6)侧重BTC+EVM 两个生态的兼容性 第二阶段:Lepton Network (轻子网络)(1)闪电网络和微支付通道完成(可能在第一阶段实现)(2)无需分叉,实现更高性能虚拟机(Lua/EVM2.0) (3)隐私性解决方案(实现时间:2018年3月份)第三阶段:Qtum Intelligence Network (Qtum 智能网络):如何提升区块链网络的治理,如何重新定义和设计智能合约?(1)Qtum 将在网络的第三阶段 推出Qtum AI计划,通过AI实现区块链网络的治理,并借助统计决策,大大提升智能合约的效率,也许0.1%的节点,就可以决定智能合约结果的最终性,而不需要100%的节点运行和验证同一个合约(2)目前Qtum AI团队,已经有2人,其中一人从1995 年,关注AI 领域。 实现时间 2018年12月2.代码提交进展通过github可知,量子链的代码提交次数为14551次,一共有420位程序员贡献代码,代码被查看206次,收藏878次,被Fork220次。2017年量子链代码提交频次非常高,2018年以来代码提交频次则有所下降。量子链代码提交次数比小蚁、比原链都高出很多,可以看出量子链技术团队还是非常踏实能干的。不过代码仅被Fork220次,远低于小蚁的743次,可见在量子链的代码质量不如小蚁高。创始人帅初也表示量子链初期很多代码都是直接借鉴比特币和以太坊的,他认为区块链代码本来就是开源的,没有必要坚持原创而重写一遍代码,站在巨人的肩膀上,才能走得更远。Qtum代币价值分析1.代币分配情况量子币总发行量为1亿枚,分配计划如下:51%的量子币用于公开售卖,20%的代币分配给创始团队、私募投资人和开发团队、20%的代币用于商业落地部署、9%代币用于学术研究、教育及市场扩张(详见下图)。在量子链区块链经济白皮书里,没提到相关的锁仓计划,这代表创始团队随时可以套现走人。2. 代币价格分析截至2018年5月16日,量子链价格为106元,众筹价格为2元,较众筹价格上涨52倍。量子链以94亿人民币的市值排第20名,流通率为88%,换手率10.96%,说明量子链最近交易较为活跃。目前量子链已上架OKEX、火币以及币安等42家交易所,交易量在国内交易所占比较高,说明量子链持有者大部分在国内。2017年11月之前量子链价格波动较为稳定,伴随着2017年年底的牛市,量子链价格大幅度拉升,从2017年12月1日的11美元上涨至2018年1月6日的86美元,上涨了8倍,之后随着熊市的到来又大幅度下跌,最低跌至2018年3月19日的11.34美元。可以看出,量子链价格并未在主网上线之后有爆发式的增长,价格还存在一定空间。由量子链浏览器可知,代币持有数量第一的地址占总代币数量的6.55%,排名前十的地址代币数量占比36.29%,可以看出,量子链庄家的筹码数量不够集中,控盘能力一般,这可能是量子链价格在主网上线之后未出现爆发式增长的原因之一。Qtum投资价值分析1. 治理结构完善。设立了量子链基金会,通过良好的基金会治理结构,分别从代码管理、财务管理和公共关系等多个维度帮助管理开源社区项目事务,确保量子链开发的可持续性和安全性。2. 相比其他项目而言,量子链价值存在被低估的可能性。从上线交易所至今,剔除牛市上涨那一波,量子链价格稳定在十几美元的水平。根据小蚁和以太坊的经验,主网上线后价格往往会出现大幅拉升,上涨几百甚至上千倍,但量子链价格却如此稳定。从上文分析我们可以看出,量子链庄家控盘能力一般,这是量子链价格未被大幅拉升的原因之一;另外一个原因可能是虽然量子链主网上线了,但是量子链DAPP生态还未完善,大众认可度不高。旺老师认为,随着量子链DAPP生态的完善,量子链价格出现大幅上涨的概率很大。3. 量子链项目较为接地气,实现难度并不高。量子链在技术上主要借鉴比特币和以太坊的优势,将以太坊的虚拟机注入进比特币底层协议,同时兼顾了项目的可扩展性和安全性。从这点来看,量子链从技术上上的实现难度并不高,不像本体的理想那么远大,试图打通所有区块链网络,并重构信任体系。所以说,量子链为区块链链接现实商业社会搭建了一个桥梁,让区块链技术早日在商业社会落地应用成为可能。Qtum投资风险分析1.项目团队的技术风险。鉴于创始人帅初的各种黑料,旺老师对帅初的技术实力存在很大的疑虑。曾有网友爆料量子链代码完全抄袭,甚至一个人不用十天就可以完成。量子链在白皮书也提到采用比特币的UTXO模型和以太坊的虚拟机,但为了省事大量将各种代码粘贴过来使用也实属令人惊讶。帅初对于代码抄袭的回应是“区块链代码本来就是开源的,没有必要为了原创而再造一个已经存在的轮子”,对于这一点旺老师认为无可厚非。不过底层公链的开发难度是非常高的,单纯将代码借鉴过来没有实质性创新的话,也很难竞争得过其他优秀的底层公链,比如以太坊、NEO和EOS等。另外,如果代码大量抄袭的话,那对于量子链团队是否有能力开发x86VM虚拟机来解决以太坊虚拟机的问题,也存在很大的疑问。2.量子链DAPP生态的建设还有很长的路要走。目前在量子链上的DAPP数量仅为25个,而小蚁已经有46个,和小蚁项目存在很大的差距,更不用说和以太坊相比了,差距更大。如果量子链不能吸引更多的开发者来部署DAPP,那么量子链的价值将会大打折扣。目前大家比较认可的底层公链项目除了小蚁、以太坊以外,还有EOS、ADA和AE等等一系列的优秀项目,量子链想要脱颖而出存在很大难度。旺老师认为这一风险挺大的,作为底层公链之一,量子链在性能上并没有太大的优势,编程语言也没有对开发者更加友好,想要吸引更多的开发者存在很大的难度。3.量子链网络被DDOS攻击的风险。DDoS攻击指借助于客户/服务器技术,将多个计算机联合起来作为攻击平台,对一个或多个目标发动DDoS攻击,从而成倍地提高拒绝服务攻击的威力。据量子链公众号显示,2017年6月28日,量子链测试网络meetup开始前,量子链官网就一直受到不明来历的DDOS攻击导致服务器瘫痪。工程师们紧急切换了源站IP,并购买了CloudFlare的DDoS防护,然而并没有起到任何作用,最后只能启用Under Attack模式来让正常用户可以访问到。量子链并没有很好的机制来预防DDOS攻击,网络再次被攻击的可能性很大。总体而言,量子链是一个非常中规中矩的项目,团队背景不够亮眼,技术上也没有太大的创新。量子链主要借鉴了比特币和以太坊的优势,通过融入监管逻辑,搭建一个区块链与商业社会的桥梁。旺老师认为量子链未来的价值能否凸显关键在于DAPP生态体系的建设,如果能够吸引更多的开发者加入,量子链价格也势必会随之爆发。鉴于量子链本身的一些特点,量子链想在众多公链中突围并非是件容易的事情。不过,由于量子链主网已经上线,并且运行了一段时间,价格一直处于较低的状态,因此,投资风险其实并不大。最后说几句题外话,最近几天的市场庄家割韭菜割的真是66的,好多朋友跟我讲多次高吸低抛,被庄家耍的团团转。旺老师一直属于佛系持币的人,熊市来了反而更高兴,因为可以分批建仓,低价买入价值币,在牛市来临的时候就可以赚钱了。旺老师之所以一直坚持不断更新深度测评的文章,也是想让币友们能对一个项目有更加深入的了解,有自己的判断,而不是盲目跟风买卖。如果大家觉得文章对你有帮助,也希望拉周围的朋友来关注我们,未来深度测评的文章会持续不断更新。风险提示:本文仅代表旺老师个人观点,不做投资建议,币市有风险,入市须谨慎。温馨提示如果你喜欢本文,请分享到朋友圈,想要获得更多信息,请关注区块链小教室。关注公众号,点击联系我们,加客服微信入优质区块链交流群哦~http://weixin.qq.com/r/3ijXz5LET88wrdas933M (二维码自动识别)编辑于 2018-05-17 15:53比特币 (Bitcoin)量子链(Qtum)​赞同​​添加评论​分享​喜欢​收藏​申请转载​文章被以下专栏收录区块链小教室专注于区块链领域项目的深