The type attribute indicates the hash algorithm, such as Message-Digest algorithm 5 (MD5) or Secure Hashing algorithm (SHA-1).
类型属性指出了hash算法，例如消息摘要算法5 (MD5)或安全哈希算法(SHA - 1)。
The padding is terminated by a "00" byte. It's followed by "30 21 30 09 06 05 2B 0E 03 02 1A 05 00 04 14" which is the PKCS #1 v2.1 way of specifying the SHA-1 hash algorithm.
填充字节以“00”结束，后面跟的是"30 21 30 09 06 05 2B 0E 03 02 1A 05 00 04 14"， PKCS #1 v2.就是这样来指定 SHA-1哈希算法。
The way hashcash poses a challenge is by asking "minters" to produce strings (stamps) that when hashed with the Secure Hash Algorithm, SHA-1, have a number of leading zeros in their hash.
hashcash 提出质询的方式是，当通过安全散列算法（Secure Hash Algorithm）进行散列时，要求“minters”生成 一个字符串（戳记，stamps），在它们的散列中有很多前导零。
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