what?ThebitcoinjlibraryisaJavaimplementationoftheBitcoinprotocol,whichallowsittomaintainawalletandsend/receivetransactionswithoutneedingalocalcopyofBitcoinCore.Itcomeswithfulldocumentationandsomeexampleappsshowinghowtouseit.就是用java实现的比特币协议,可以实现钱包,发送交易,接收交易等功能。钱包WalletApplication 1.创建钱包创建钱包文件 bitcoin