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)。

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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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