a69e82fbf188a924246ff0b7aed1297_GEYDQMBOGAVDCOJSGAXDA

1. 在Goerli Meddala的Lighthouse上设置Ethereum 2.0验证节点

[email protected]:58992,enode://6781b3fa91a8e5b2a89682f9307d2b66e21a4ae595d1b2dfe2662e5fbf7326f5db7a9acdcc64e8402b31a1e8fbefc6ba13fa0af4015a373a42a4de14fd6a306b@164.90.236.249:30303,enode://1d63c062e215caa90ab8348ab25bc38546d7112bf829d5e9a272e88fab0869bbef206e848acb4290448c6b6e077f312efef6075116a9bbeb0b069a95dbd7f103@86.88.214.39:30303,enode://6b5ee2f457fc091b762f9a058d35f7fc73f1c8116...

知识:ethereum,以太坊,节点

2. 以太坊上的数字签名

...和签名（v, r, s）。签过名的交易如下所示：0xf86c0a8502540be400825208944bbeeb066ed09b7aed07bf39eee0460dfa261520880de0b6b3a7640000801ca0f3ae52c1ef3300f44df0bcfd1341c232ed6134672b16e35699ae3f5fe2493379a023d23d2955a239dd6f61c4e8b2678d174356ff424eac53da53e17706c43ef871如果我们在 MyCrypto 的已签名交易广播页面上输入该交易，我们就会看到所有交易参数：- MyC...

知识:以太,坊,上,的,数字签名,密码学,签名,是,区块,

3. [BlockSec DeFi 攻击分析系列之二] 倾囊相送：Sushiswap 手续费被盗

... { \"YFI/WETH\": { \"0x1b0eb70bc4d2407745df416acf6e2c312d25ee63c7e8e1291545d66e23fbf704\": \"Pre Attack\", \"0x8f6caabd4ecfad30793db76f60a7e28832a18e2bcf006c0ee3652063c7386778\": \"Convert\", \"0xe6d28052b55ab520a211daebbc67ee3aece6ae356044e9352fc82910214a038a\": \"Swap\" }, \"profit\": \"-0.031382 ether\" }, { \"AXS/WETH\": { ...

知识:代币,合约,区块,合约地址

4. 如何分叉以太坊并变成私链？

...f4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"), // IE discover.MustParseNode("enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303"), // BR discover.MustParseNode("enode://1118980bf48b0a3640bdba04e0fe78...

知识:以太坊,私链

5. 智能合约变量储存机制详解

...gma solidity ^0.4.25;contract TEST{string a='whoami';}from Crypto.Util.number import *b=0x77686f616d69print(long_to_bytes(b))#b'whoami'#0xc 代表字符串长度 每个字母占 2 个十六进制位pragma solidity ^0.4.25;contract TEST{string a='知道创宇';}from Crypto.Util.number import *b=0xe79fa5e98193e5889be5ae87print(long_to_bytes(b).decode('utf-8'))#知道创宇#0x18 每个汉字占 6 个...

知识:智能合约,以太坊,合约,类型

6. 致BitClub矿池，你们为什么要对比特币网络发动交易延展性攻击？

...0434ca2d8f388280 　　The raw transaction is : 　　0100000001547380dc30d7f82f7c434743e26d69c4c585842a85a723290da8726eb8a0fcac010000006a47304402201e0664a6954b2e36cba5af99131361d046414b11b1c9e74b7b081af56781ed88022068a5aa695ee59a67d9cb5f0f26d291f7e239de80450b7a6d390819390f734c68012103878f354664cc0e3ad41b1794ab911f05a0493d8e7a60cd5b216c7934d390d49dffffffff0200943577000000001976a9149234b0a8...

知识:BitClub矿池,比特币网络攻击

7. KEY指标：人气冷淡，巨鲸加仓

...预测=1元÷10KEY=0.1元。【指标二十一：币乎公告点赞数】11月2日公告：点赞数188个，10月26日公告：点赞数198个，10月19日公告：点赞数264个。看完记得点赞哦。

知识:公链,江卓尔,机枪池,指标

8. 以假乱真：DODOV2众筹池遭袭事件分析

...255bccac517da5106647d8182c571b23抢跑者Bhttps://etherscan.io/address/0x3554187576ec863af63eea81d25fbf6d3f3f13fc抢跑者Chttps://etherscan.io/address/0x8a14ce0fecbefdcc612f340be3324655718ce1c1资金池DLP (WSZO/USDT)https://etherscan.io/address/0xfb609b68d694617e0100c7182f21e536760d438d#code资金池DLP (ETHA/USDT)https://etherscan.io/address/0xfd87ab87f384458a8f6f4b3c3eb222a223869f73#code资金...

知识:合约,代币,以太坊,矿工

9. 我被盗的6个ETH，昨日转去了币安，还希望能主动还我！

...的问题。钱包转账记录，通过以太坊浏览器查找记录：0x0d437837848f81e82ce04a1d69a0182efde08d65 我的地址d65都用了3年多了。0x871405432db39889de887b3415074d9376c22cf7 这个cf7地址是对方的地址，4.83个ETH，还有一些其他小币。在两天后，把小币种换成了ETH，后又转到了新地址：0x8f64bea1e82b5a22ed192e712444b74edacef114这个114地址也...

知识:币安,钱包地址,热钱包,币安客服

10. 一文了解两步原子交换协议LiquiDEX

...3a6aaef9a36ab0e5f677ed3c9642825acc3f3e3cd2d5e2f63098af87f31f095ce416a8a32bac2a715f2d3920f511a93d9295fbf149010b1a38702d30da456e26ff055f8d69ea5cd144aaffc3e36314d1dea552b0c217d6ecb04f817a914b9eab96318ef4f7b60858a0586ff474a7024061b8700000000000002483045022100a91c9d744d19fe22231561b9ee89aa0674b6b876d63835fb807a441a041c0c5b02201e336469acad3ee94b0a73b609d1e73f5de93e6068a93e44a08720fb1bc6f6948321034a6c448...

知识:钱包,去中心化交易所,去中心化,代币

11. Substrate 入门 - 运行与调试 （二）

...AUTHORITY2019-12-02 21:34:41 Initializing Genesis block/state (state: 0xcfa1…1f33, header-hash: 0x7aed…4a2a)2019-12-02 21:34:41 Loading GRANDPA authority set from genesis on what appears to be first startup.2019-12-02 21:34:42 Loaded block-time = BabeConfiguration { slot_duration: 3000, epoch_length: 200, c: (1, 4), genesis_authorities: [(Public(d43593c715fdd31c61141abd04a99fd6822c8558854ccde3...

知识:区块,出块时间,节点,日志

12. DeFi新玩法丨一文了解两步原子交换协议LiquiDEX

...3a6aaef9a36ab0e5f677ed3c9642825acc3f3e3cd2d5e2f63098af87f31f095ce416a8a32bac2a715f2d3920f511a93d9295fbf149010b1a38702d30da456e26ff055f8d69ea5cd144aaffc3e36314d1dea552b0c217d6ecb04f817a914b9eab96318ef4f7b60858a0586ff474a7024061b8700000000000002483045022100a91c9d744d19fe22231561b9ee89aa0674b6b876d63835fb807a441a041c0c5b02201e336469acad3ee94b0a73b609d1e73f5de93e6068a93e44a08720fb1bc6f6948321034a6c448...

知识:侧链,Liquid,LiquiDEX

13. Fabric快速入门讲解

...8d632a47459f4bfab1f4&chksm=fd50de02ca275714363b966dc53a480a5e05c0e72b090ee185fbaaebb36fd34bf97915f88827&scene=21#wechat_redirect区块链技术研究——Fabric部署实践链接：https://mp.weixin.qq.com/s?__biz=MzU4MDc4MzU3NQ==&mid=2247484115&idx=1&sn=3b9eae95f805b972f962725d93f42705&chksm=fd50de6bca27577de75f32139263319e5d5716198e05bd1e72ebf0566698fe99c20fde0f52b3&scene=21#wechat_redirect区...

知识:区块链技术研究,合约,链接,美编

14. “零元购”TreasureDAONFT交易市场漏洞分析

...节，其余攻击交易的手法都一致，不再赘述。攻击交易：https://arbiscan.io/tx/0x82a5ff772c186fb3f62bf9a8461aeadd8ea0904025c3330a4d247822ff34bc02攻击者：0x4642d9d9a434134cb005222ea1422e1820508d7b攻击细节：可以从下图中看到，攻击者调用了 TreasureMarketplaceBuyer 合约中的 buyItem 函数，并使传入的 _quantity 参数为 0。可以看到代币转移...

知识:合约,代币,合约地址,漏洞

15. 免费空投10000CKB？Nervos测试网代币？如何接收和查看？ckb.pw到底是怎么的存在？

...EAaaEc7A369哼哼先生0x10280F0503F4574EE2566e1f44992e239B65F38d阿斌搞机0x1a44dCCd6FEd7b4dba84C82A4351c5c3a10Fd541kernel0x2B1b68b3e87e025401E8E199A23333bA0471AEaf胖嫄0x2BFCCb75BD5588191063aad1E86BF77B764292fd币圈空投糖果0x30f67435D44CDcB97022D7AD46a039160f9c082e小城_故事多0x328D7A5880DE49cC2a17e822d42675e2b7B35ED4币友_19910267750x3b23aE6F8ebddb5e500dCDAc2F369a6bFA80DAF4币海...

知识:币友,币圈,钱包,以太坊地址