Digital signature digital signature principle Virtual currency exchange platform digital currency digital signature is to add another piece of content to the back of the information as the sender's proof and prove that the information has not been tampered with. Generally, the sender processes the information with a hash algorithm to get a hash value, and then uses the virtual currency exchange platform digital currency Virtual currency exchange platform digital currency Virtual currency exchange platform digital currency Home News Blockchain Blockchain Encyclopedia Home Encyclopedia Digital signature principle. 比特币今日价格行情网_okx交易所app_永续合约_比特币怎么买卖交易_虚拟币交易所平台

　　数字签名就是在信息后面加上另一段内容，作为发送者的证明并且证明信息没有被篡改。

 

　　一般是发送者将信息用哈希算法处理得出一个哈希值，然后用私钥对该哈希值进行加密，得出一个签名。

 

　　然后发送者再将信息和签名一起发送给接收者。

 

　　接收者使用发送者的公钥对签名进行解密，还原出哈希值，再通过哈希算法来验证信息的哈希值和解密签名还原出来的哈希值是否一致，从而可以鉴定信息是否来自发送者或验证信息是否被篡改。