首个 Bitcoin 可编程性扩展协议 REE 及其生态应用 RichSwap 正式上线，开启 Bitcoin 智能合约时代

链捕手Published on 2025-02-18Last updated on 2025-02-19

2025年2月8日，由 Omnity Network 开发的、全球首个 Bitcoin 可编程性扩展协议 REE 主网正式上线，同步启动的还有基于 REE 协议构建的 Bitcoin 主网符文 AMM DEX -- RichSwap，无需资产跨链即可在 Bitcoin 主网实现秒级交易，且完全去中心化。

这标志着 Bitcoin 生态迎来了一次革命性的变革，即：Bitcoin 主网首次在无需跨链的情况下，获得了真正去中心化的、Fully On-Chain、图灵完备的智能合约能力。

REE (Runes Exchange Environment) 加上流动性枢纽 RichSwap，将在 Bitcoin 主网之上为更多优秀的 Bitcoin 生态团队夯实了基础，铺筑了 BTCFi 的创新之路。

Omnity 的三级火箭

Omnity 团队为什么在 Bitcoin 跨链协议 Omnity hub 成绩斐然的同时，开辟了 Bitcoin 主网一层的可编程性拓展协议的创新新战场？

「如果比特币一层就缺乏活力，那么二层只会更加干涸。有了 REE，基于 Bitcoin 主网的 BTCFi 可以一年走完以太坊 DeFi 早期四年的发展历程。

Louis, Founder @Omnity Network  」

事实上，比特币生态自爆发以来，一直有两大瓶颈亟待解决，分别是「交易吞吐性能」和「可编程能力」。

Omnity 作为 Bitcoin 生态领先的基础设施项目，很早就制定了「三级火箭」式的发展计划：

1、打造跨链互操作协议 Omnity Hub：为 BTC Layer2 提供行业急需的真正去中心化、 Fully On-Chain 的跨链互操作协议；Omnity hub 于2024年4月20日主网上线，目前已经开源。

「近期火热的 odin.fun 和还未正式上线的多个 BTCFi 团队都选择使用 Omnity Hub：支持 BTC、符文 Runes 和 BRC20 的跨链，并且接通 Solana、Ton、Sui、ICP 和  Osmosis 等主流 Layer1和十几条 EVM 链比如 Base 等等，实现了蚀刻、铸造、转账和燃烧等跨链互操作。目前跨链 TVL 近400万美元。 」

2、打造可编程性扩展协议 REE，赋予 Bitcoin 主网图灵完备的智能合约能力，兼容主流基于 UTXO 的资产标准。REE 将在完成审计后开源，并开放免费使用。

3、打造 REE 示范应用 RichSwap，作为 Bitcoin 主网上真正去中心化的 AMM DEX，旨在成为 BTCFi 生态的流动性枢纽，加速其他 BTCFi 应用的流动性自举。

REE：图灵完备的无跨链 Bitcoin 执行层

REE (Runes Exchange Environment) 成功将比特币的原生交易机制与公链智能合约完美结合。有了智能合约能力，就可以支持各种 BTCFi 场景，本质上就成为了 Bitcoin 主网的通用 DeFi 执行层，一个可以让各种 BTCFi 协议之间同步、组合的平台。

可编程性扩展的精髓在于 DPS (去中心化 PSBT 签署)

PSBT（部分签名的比特币交易）是比特币生态使用多年的通用数据标准，用于协调比特币的多方交易。PSBT需要买卖双方逐个签名 input，但是由于 PSBT交易的 Output 已经预先确定了，所以只适用于挂单类型的交易：如果想买 10 个符文$Dog，但是只有卖100个$Dog 的挂单，买家即便出再多钱也无法交易。这极大的阻碍了 BTCFi 的流动性。

DPS （Decentralized PSBT Signing）就是 REE 引入智能合约作为用户的交易对手方，根据需要按需、动态地构建 PSBT进行交易。作为对手方的智能合约随时在线，来匹配交易所需的 UTXO，最后由智能合约控制私钥 Key 完成 PSBT 的签署，提供了极大的灵活性，适用于任意 DeFi 场景。

交易性能提升的关键在于「乐观执行、批量结算」策略

RichSwap 之所以可以做到比 Bitcoin 主网交易速度提高100倍，就在于 REE 执行层采取的「乐观执行、批量结算」的交易策略。

乐观执行：你在 RichSwap 买了符文$DOG，显示在15秒内就完成了交易，虽然交易还没有进入比特币区块，但是 REE 已经进行了重复的验证，可以乐观地认可它有效，这时用户马上可以使用交易输出发起下一笔交易，比如用刚买来的 $DOG 添加 LP。

批量结算：第二笔添加 LP 的操作依赖第一笔购买 $DOG 交易操作，在比特币 memepool 里属于父子交易，在下一个比特币的区块的时候，会把这两笔交易一起打包进去。虽然 Memepool 接受的父子交易的串接不能超过25笔，这是每个 Pool 的结算上限，但不是 REE 的上限：基于REE 的 Exchange- Pool 模型，每个Exchange 可以管理多个独立运行的 Pool，如果需要更大吞吐量，可以通过增加新的Pool 来实现。

提交到 Memepool 的交易在极端特殊情况下可能被清理出Mempool，这笔交易需要回滚。这里涉及了 REE 设计的「Exchange- Pool 模型」和 Pool 的状态链（State Chain）结构的设计，感兴趣的开发者可以移步《REE白皮书》，结合即将开源的范例应用 RichSwap，了解其代码实现逻辑。

RichSwap：Bitcoin 主网上首个真正的 AMM DEX

作为 REE 生态的首个应用，RichSwap RichSwap 是一个构建在 Bitcoin 主网上、真正去中心化的符文 AMM DEX，可以在5s 内确认交易，用户全交易生命周期上链，没有任何链下依赖，甚至做到了零 MEV 攻击。

我们相信 RichSwap 可以得到 Bitcoin Native Degen 的认可，可以在在保证安全性的情况下，添加流动性池，提高整个生态的流转速度，成为 BTCFi 的流动性枢纽，并且帮助后续更多项目更快的启动流动性。

现在，Omnity Network 正在通过三大核心产品：Bitcoin智能合约平台 REE、流动性枢纽 RichSwap 和跨链协议 Omnity Hub，构建快速、简便、低成本且完全在链上运行的 BTCFi 基础设施，为比特币网络注入了前所未有的活力。

我们相信，随着更多 BTCFi 开发者的加入，比特币将真正成为全球经济的结算层和数字金融创新的沃土。

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