LOADING...
LOADING...
LOADING...
当前位置:主页 > 知识列表 >

a69e82fbf188a924246ff0b7aed1297_GEYDQMBOGAVDCOJSGAXDA

1. 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,

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

...f1e941de71c007ed@155.93.196.78:58992,enode://6781b3fa91a8e5b2a89682f9307d2b66e21a4ae595d1b2dfe2662e5fbf7326f5db7a9acdcc64e8402b31a1e8fbefc6ba13fa0af4015a373a42a4de14fd6a306b@164.90.236.249:30303,enode://1d63c062e215caa90ab8348ab25bc38546d7112bf829d5e9a272e88fab0869bbef206e848acb4290448c6b6e077f312efef6075116a9bbeb0b069a95dbd7f103@86.88.214.39:30303,enode://6b5ee2f457fc091b762f9a058d35f7fc73f1c8116...

知识:ethereum,以太坊,节点

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 智能合约安全审计|整数溢出

...意攻击的。案例一 BEC漏洞原理分析BEC合约地址:0xC5d105E63711398aF9bbff092d4B6769C82F793D在etherscan上的地址为:https://etherscan.io/address/0xc5d105e63711398af9bbff092d4b6769c82f793d#code存在溢出漏洞的合约代码如下:function?batchTransfer(address[]?_receivers,?uint256?_value)?public?whenNotPaused?returns?(bool)?{ ????uint?cnt?=?_receivers.length; ????uint256?a...

知识:智能合约,代币,合约,合约地址

11. 智能合约安全审计 | 整数溢出

...意攻击的。案例一 BEC漏洞原理分析BEC合约地址:0xC5d105E63711398aF9bbff092d4B6769C82F793D在etherscan上的地址为:https://etherscan.io/address/0xc5d105e63711398af9bbff092d4b6769c82f793d#code存在溢出漏洞的合约代码如下:function batchTransfer(address[] _receivers, uint256 _value) public whenNotPaused returns (bool) { uint cnt = _receivers.length; uint256 amount ...

知识:零时科技,区块链,智能合约,安全审计

12. 智能合约安全审计 | 整数溢出

...意攻击的。案例一 BEC漏洞原理分析BEC合约地址:0xC5d105E63711398aF9bbff092d4B6769C82F793D在etherscan上的地址为:https://etherscan.io/address/0xc5d105e63711398af9bbff092d4b6769c82f793d#code存在溢出漏洞的合约代码如下:function batchTransfer(address[] _receivers, uint256 _value) public whenNotPaused returns (bool) { uint cnt = _receivers.length; uint256 amount ...

知识:零时科技,区块链,智能合约,安全审计

13. 乐比特云算力——躺赚是怎样的体验?

...BTC。2019年1月1日全网算力40E/s,2019年12月31日全网算力98E/s,全年平均算力为69E/s。同理2019年每日平均产量为12.5*6*24/(69*10^6)=0.00002608个BTC。关于挖矿难度与算力,请参考此链接:https://www.jianshu.com/p/97a97cd776a6下面我们来具体估算挖矿收益。以S9蚂蚁矿机为例,单台14T算力,每天耗电34.8度,每度电价3.5毛(...

知识:挖矿,比特币,矿机,算力

14. 月报 | Acala TC4 7月上线,全新糖果节即将来袭

...3974&idx=1&sn=02430e4bf01af0bb024d12db80e6189a&chksm=fe6056cfc917dfd97972343e97018f6e58782acaf464bae3fec921b88621d054e2765cb13490&scene=21#wechat_redirectDeX:https://mp.weixin.qq.com/s?__biz=MzU5NjU0Mjk1MA==&mid=2247484216&idx=1&sn=d6ec1b3a1d59172450d747bab82c4e17&chksm=fe6057b1c917dea787c1e92bf91251b6ced54c7effccc01c1b4ce480b0aea1c094faa0c4b671&scene=21#wecha...

知识:跨链,ACALA,polkadot

15. 由狗狗币老粉丝创建的公益性代币:比特犬BitDoge

...:BitDoge代币符号:BDOG小数点位:18发行总量:1000000000000000BSC合约地址:0xcAa69BAc407e5C43c09AC8E42E27D3175a40E69DHECO合约地址:0xcAa69BAc407e5C43c09AC8E42E27D3175a40E69D电报:https://t.me/bitdoge_BDOG它是一个刚刚创建的新社区目前还非常弱小,请加入我们一起决定它的发展。空投正在进行持仓排行榜https://hecoinfo.com/token/0xcaa6...

知识:代币,合约地址,狗狗币,它是