# 什么是隔离见证

隔离见证，英文全称 (Segregated Witness，简称: Segwit)，最早由比特币核心开发者 Pieter Wuille 在 2015 年提出。它是目前比特币应对扩容比较好的解决方案，就是把区块中签名信息隔离出来，实现变相扩容，交易处理速度可达2M。

隔离见证的好处：

1. 更好的安全性
2. 可以增大区块容量
3. 检查交易更快速


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://help.tpwallet.io/cn/faq/btcwallet/what-is-btc-segwit.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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.