以太坊资源

https://ethereum.gitbooks.io/frontier-guide/content/netstats.html

https://stackoverflow.com/questions/47129173/how-to-convert-int-to-string-in-solidity

一小时发代币
https://steemit.com/ethereum/@maxnachamkin/how-to-create-your-own-ethereum-token-in-an-hour-erc20-verified