# 质押验证服务

**质押验证模块**是一套基于比特币主网的算法，由SAL调用并由质押监护人执行。它根据质押参数矩阵 (SPM) 中定义的质押交易参数来检查每笔质押交易的正确性和完整性。 LST发行人发起的质押交易必须通过质押监护人的验证后才能广播到比特币主网。这样可以保证质押交易满足用户需求，并保证发行的LST数量与底层BTC资产锚定。此机制可防止LST发行人的失误操作或欺诈行为。

**质押验证服务框架：**

<figure><img src="/files/wORoAD1GWRmW5pOoULJ1" alt=""><figcaption></figcaption></figure>


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