疑惑的根源相信大家都看过上面的这张图，这张图来自中本聪的比特币白皮书，用来介绍比特币的交易。在这张图的上面，中本聪写下了这样几句话：We define an electronic coin as a chain of digital signatures. Each owner transfers the coin to the next by digitally signing a hash of the previous transaction and the public key of t