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专长领域： WEB开发, 手机软件开发, 运维/系统/网络管理

开发平台： iOS/Objective-C, PHP, Groovy, JavaScript, Linux/Unix

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There are estimateGas APIs in both the JSON-RPC and Javascript. They are estimates and for developers that want further precision, testing is required, possibly on a private cha...

Blockchain

2018/06/09 22:51

103

如何通过编程方式动态布署以太链智能合约？例一、 module.paths.push('/usr/lib/node_modules'); var fs = require('fs'); const contract_data = JSON.parse( fs.readFileSync('path...

Blockchain

2018/06/01 23:45

253

https://en.wikipedia.org/wiki/Distributed_hash_table A distributed hash table (DHT) is a class of a decentralized distributed system that provides a lookup service similar to a ...

DHT

Blockchain

2018/05/13 00:53

200

两个去中心化文件存储方案（服务）如何选择？ https://github.com/ethersphere/go-ethereum/wiki/IPFS-&-SWARM https://www.reddit.com/r/ethereum/comments/3hbqbv/ipfs_vs_swarm/ https://...

Swarm IPFS

Blockchain

2018/05/13 00:45

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Blockchain因历史原因，其pow，pos需要矿工参与，导致费用和性能都很大的问题，如bitcoin要15分钟写一次数据，ethereum需要10-15秒，这些跟目前的互联网应用都性能很差。而且每笔交易还需要g...

blockchain hashgraph

Blockchain

2018/02/27 15:14