比特币的签名过程
先用私钥签名 对9c50cee8d50e273100987bb12ec46208cb04a1d5b68c9bea84fd4a04854b5eb1 对这串字符加密得出一个值： 3046022100ba1427639c9f67f2ca1088d0140318a98cb1e84f604dc90ae00ed7a5f9c61cab02210094233d018f2f014a5864c9e0795f13735780cafd51b950f503534a6af246aca301 这就是SIG值（签名的结果）。然后用公钥PUCBKEY 03a63ab88e75116b313c6de384496328df2656156b8ac48c75505cd20a4890f5ab解密SIG值如果结果刚好是是9c50cee8d50e273100987bb12ec46208cb04a1d5b68c9bea84fd4a04854b5eb1 。刚好相等OP_CHECKSIG为真。解题完毕！于是这笔钱于是就从BOB所有，转给了Carol，如果Carol愿意，加上Carol自己对 62fadb313b74854a818de4b4c0dc2e2049282b28ec88091a9497321203fb016e 的签名与公钥，就可以花出去了。
（来源知乎）
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