# 跨链桥接

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区块链桥是一种协议或机制，作为不同区块链之间的连接，使代币和数据能够在它们之间传输。桥接器能够实现不同区块链网络之间数据和资产的无缝转移。它们打破了各个区块链的孤岛，释放了无许可、无边界 Web3 的全部潜力。

#### 了解 Stacks 提供的不同桥接方案

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>USDCx</strong></td><td>了解 USDC 如何在比特币二层之间流入和流出。</td><td><a href="/pages/313181b97b14d6138ab22917a5d4ce52babbb191">/pages/313181b97b14d6138ab22917a5d4ce52babbb191</a></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
