In that sense, the timestamp server helps guard against Bitcoin fraud.

从这个意义上讲，时间戳服务器有助于防止比特币欺诈。

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Using parameterized commands helps guard against SQL injection attacks, in which an attacker "injects" a command into a SQL statement that compromises security on the server.

使用参数化命令有助于防范 SQL 投射攻击，在此类攻击中，攻击者会「投射」命令到 SQL 陈述式中，对伺服器的安全性造成危害。

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