...的链 13. chain-code: In HD wallets, 256 bits of entropy added to the master public and private keys to help them generate secure child keys; the chain code is usually derived from a seed along with the master private key chain-code:在HD钱包里，为了保证生成的子钥的安生性，256位的信息熵被添加到主公钥和私钥;chain-code一般会由主私钥生成...
知识:比特币开发
... 原理简介： 1.生成HD Wallets钱包的时候除了会生成主私钥(master private key)和主公钥(master public key)，还会生成一个chain code。 2.利用master private key + chain code可以得到指定的子私钥(sub private key); 3.利用 master public key + chain code可以得到指定的子公钥(sub-public key); 4.为了方便起...
知识:HD Wallets
...orithm to implement signature aggregation.In the case of multi signature with ECDSA, if there are N private keys signed, the N signatures need to be verified respectively. Because of the linear characteristic of Schnorr Signature Algorithm, in the same case, the signatures of N private keys can be "aggregated" into one signature. The principle is as follows:Because the points on the elliptic curve...
知识:多重签名,智能合约,twitter,比特币
...强。至于交易成本，由于仅有限个节点进行确认，所以交易成本相对很低。Private blockchain is also known as private chain, the participating nodes have specific regulations and restrictions, and access rights and modification rights are set for the whole data of blockchain. The blockchain is interconnected, and the distributed database joins the network of blockchain nod...
知识:私有链,公链,区块链,私有区块链
...orithm to implement signature aggregation.In the case of multi signature with ECDSA, if there are N private keys signed, the N signatures need to be verified respectively. Because of the linear characteristic of Schnorr Signature Algorithm, in the same case, the signatures of N private keys can be "aggregated" into one signature. The principle is as follows:Because the points on the elliptic curve...
知识:多重签名,私钥,智能合约,代币
作为给投资者的圣诞礼物，加密货币市场在本周五（24 日）重回高位。 早盘时段，比特币、以太坊、Solana、Polkadot 和 Avalanche 等货币的高位均高于预期。 在市场上的主要加密货币中，没有人员伤亡。例如，比特币发现自己处于新的年终反弹中。 在短短 24 小时内，加密货币升值了 6% 以上。 BTC 的当前价...
知识:加密货币,货币,比特币,以太坊
作为给投资者的圣诞礼物，加密货币市场在本周五（24 日）重回高位。 早盘时段，比特币、以太坊、Solana、Polkadot 和 Avalanche 等货币的高位均高于预期。 在市场上的主要加密货币中，没有人员伤亡。例如，比特币发现自己处于新的年终反弹中。 在短短 24 小时内，加密货币升值了 6% 以上。 BTC 的当前价...
知识:加密货币,货币,比特币,以太坊
作为给投资者的圣诞礼物，加密货币市场在本周五（24 日）重回高位。 早盘时段，比特币、以太坊、Solana、Polkadot 和 Avalanche 等货币的高位均高于预期。 在市场上的主要加密货币中，没有人员伤亡。例如，比特币发现自己处于新的年终反弹中。 在短短 24 小时内，加密货币升值了 6% 以上。 BTC 的当前价...
知识:加密货币,货币,比特币,以太坊
...一种将多个区块链统一到一个简单界面的开源区块链中间件，它宣布其Tatum Private Ledger现在支持Binance Smart Chain（BSC）。BSC是用于开发高性能分散式应用程序的成熟环境。 塔图姆（Tatum）最近在其API中启动了对区块链本身的支持，现在使得在其私人分类账中使用BSC成为可能。Tatum Ledger是一个可以在区块链...
知识:区块链,区块链的数据库,区块链交易,区块链中间
...f S.The brief description of Schnorr Signature Protocol is as follows: Setup:x: random number (aka private key)G := common pointX: x*G(aka public key)Sign:r : random number (aka nonce)R: r* G(aka commitment)e : Hash(R。EnglishSchnorr Signature Algorithm of Wisdom Chain DocumentKnowledge BaseThis article comes from the official Twitter of Wisdom ChainURL：https://twitter.com/Wisdom_Chain/status/...
知识:one
... calculating x*A is very fast. This asymmetry will be the premise of our discussion.Alice holds the private key x, then selects a random number r and the origin G on the elliptic curve, calculates R: = r G, public key X: = xG, uses the hash function to obtain a random number e: = Hash (R,X, message), and then calculates s: = e * x + r.Alice sends Bob R, X, message, and point values s, Bob verifies...
知识:twitter
...ll the deals on the blockchain are publicly traceable, which makes financial gurus uneasy, will the private chain be a definitive solution?The private chain allows the participating members to change the rules of the blockchain, the users have certain rights, they can only let the relevant people see the transaction process, and at the same time ensure the authenticity of the blockchain transactio...
知识:私有链,公有链,区块,比特币区块链
... calculating x*A is very fast. This asymmetry will be the premise of our discussion.Alice holds the private key x, then selects a random number r and the origin G on the elliptic curve, calculates R: = r G, public key X: = xG, uses the hash function to obtain a random number e: = Hash (R,X, message), and then calculates s: = e * x + r.Alice sends Bob R, X, message, and point values s, Bob verifies...
知识:私钥,公链,公钥,区块浏览器
...们的区块链、交易池等所需要的信息，使用JSON.toString转化到的json字符串*/ private String data; /*** 消息类型*/ private int type; } </pre> 涉及到的消息类型（type）有： /*** 查询最新的区块*/ private final static int QUERY_LATEST_BLOCK = 0; /*** 查询整个区块链*/ private final static int QUERY_BLOCK_CHAIN = 1; /*** 查询交易集合*/ private fin...
知识:比特币,技术指南
...rship with software giants SAP Solution and Camelot Innovation Technologies (Camelot Itlab) to make private data storage on the blockchain more secure. Talking about the SAP software giant, SAP software application aims to provide solutions for enterprises. In 2017, I attended a one-month SAP training on how to use the software, which is not as easy to operate as ERP, but as long as the enterprise...
知识:链上,区块链,比特币,数据区块