---
title: "LightBridge"
canonical: https://wavect.io/zh/case-studies/lightbridge/
language: zh
description: "Boba Network 是一个混合型 Layer 2 区块链，通过账户抽象提供原生链下数据和计算能力。基于 Ethereum 和 BNB Chain 的 Optimistic Rollup，面向大规模采用的应用。"
image: "https://wavect.io/img/general/bak/open_graph_preview.jpg"
---

[← 所有案例研究](/zh/case-studies/)

![LightBridge logo](/img/clients/svg/boba-network.svg)

案例研究 · 2022–2023

LightBridge

# 6 个网络上的近即时跨链桥。100 万美元+ 资金流过。

Boba Network 是一个混合型 Layer 2 区块链，通过 [账户抽象](/zh/glossary/account-abstraction/) 提供原生链下数据和计算能力。基于 Ethereum 和 BNB Chain 的 Optimistic Rollup，面向大规模采用的应用。

BLOCKCHAIN 跨链桥 2022–2023 上线

速览

项目类型 跨链桥

行业 [区块链 / L2 基础设施](/zh/industries/blockchain-web3/)

阶段 企业 · 融资 $115M

项目规模 月度 retainer

年份 2022–2023

技术栈

Typescript Python GraphQL React AWS Solidity

状态 上线

实例 [gateway.boba.network](https://gateway.boba.network/)

## 概览

Boba Network 是一个混合型 Layer 2 区块链，通过 [账户抽象](/zh/glossary/account-abstraction/) 提供原生链下数据和计算能力。基于 Ethereum 和 BNB Chain 的 Optimistic Rollup，面向大规模采用的应用。

## 挑战是什么？

Optimistic Rollup 用等待期来保护价值；主流用户想要速度。现有的桥接 UX 对 Boba 想触及的人群来说太慢、太复杂。跨链转账必须有即时体感，同时不能放弃无信任回退，并且要与一次 NFT 合集发布以及对 Gateway DApp 的持续贡献并行进行。

## 我们做了什么决定？

### 继承了原型，付了维护税，然后把税降了下来。

> 我们没法从零开始。接手的是一个本来就不是为真实需求构建的原型，加上一份它完全没满足的需求清单。每个版本都在关掉原型自带的 bug，同时补上规范从第一天就要求的东西。这款产品天生维护成本就高，每一次修复都坐在不是我们做出的决定之上。与此同时，我们也一个迭代一个迭代地简化它本身，直到我们交付的东西不再只是被打了补丁，而是干净的。

## 我们做了什么

约束：要有即时体感，但不放弃无信任结算。决定：一个 TypeScript 轮询服务在源链上观察 AssetReceived 事件、把最多 10 笔转账打包，并把 AWS KMS 签名的 disburseAsset() 调用发送到目标链，签发密钥从不离开 AWS。具体：官方 LightBridge、TuringMonsters NFT 发布、对 Gateway DApp 的持续贡献，以及账户抽象、DevOps 和开发者关系上的工作。代价：需要流动性来掩盖等待期。

## 成果

### 6条链 - 网络支持
- **Category:** 规模

### 保障100万美元+ - 安全资产
- **Category:** 业务

想让你的项目也拿到这样的成果？

范围固定。期限固定。已签 SoW。

[联系我们](/zh/contact/)

## 精选界面

![LightBridge, screen 1](/img/case-studies/lightbridge/001_hu_1418523de9dd8f0b.webp)

![LightBridge, screen 2](/img/case-studies/lightbridge/002_hu_d136527db1fff345.webp)

![LightBridge, screen 3](/img/case-studies/lightbridge/003_hu_8d6c8ad0d5d0edf6.webp)

## Architecture & Flows

### 跨链桥架构

TypeScript 轮询服务监听源链上的 AssetReceived 事件，将最多 10 笔转账批量打包，并通过 AWS KMS 签名的 disburseAsset() 调用提交到目标链。Disburser 私钥永不离开 AWS。

该图展示了简化的高层架构，省略了机密的实现与安全细节。

### 跨链转账流程

```
sequenceDiagram
  autonumber
  participant U as User
  participant SC as Source Contract
  participant SG as GraphQL Subgraph
  participant SV as LightBridge Service
  participant K as AWS KMS
  participant DC as Dest Contract
  U->>SC: deposit(asset, amount, destChainId)
  SC-->>SG: emit AssetReceived
  SV->>SG: poll events (60s)
  SG-->>SV: new AssetReceived[]
  SV->>SV: batch ≤10, estimate gas
  SV->>K: sign disburseAsset(tx)
  K-->>SV: signed tx
  SV->>DC: submit signed tx
  DC->>U: release asset to recipient
  DC-->>SV: tx receipt
  SV->>SV: persist depositId · emit metrics
```

源链充值 → 子图索引 → 轮询 → 通过 KMS 签名在目标链完成转账。Disburser 私钥永不离开 AWS；服务仅负责编排。

## 经验总结

Optimistic Rollup 桥接有一种固有的用户体验张力：安全要等待期，用户要速度。LightBridge 教会了我们如何架构流动性提供者层，让大多数用户感受不到延迟，同时保留无信任回退。

## 技术栈

- [Typescript](https://www.typescriptlang.org/)
- [Python](https://www.python.org/)
- [GraphQL](https://graphql.org/)
- [React](https://react.dev/)
- [AWS](https://aws.amazon.com/)
- [Solidity](https://soliditylang.org/)

## 标签

- Infrastructure
- Layer 2
- RollUp

## 链接与资源

[Boba Gateway](https://gateway.boba.network/) [Boba Network](https://boba.network/) [Enya](https://enya.ai)

相关服务

- [区块链开发](/zh/services/blockchain/)
- [定制软件开发](/zh/services/software-development/)

客户引用与商标

Wavect 发布这些案例研究，讲述的是我们自己的工作。客户名称、标识和商标归各自所有者所有，在此仅用于标识相关工作，并不表示任何合作、赞助或背书关系。每个案例描述的是 Wavect 在一项更大工作中的自身贡献，客户自己的团队以及其他服务商也共同促成了这些结果。归属于客户的数据是该客户自行提供的数字。关于我们工作的数据来自我们在页面所示核查日期的记录，可按要求提供证据。评价均转载自各卡片所标注的平台，并链接至原始来源。我们不公开任何合作的商业条款，产品截图的权利仍属于所展示的客户。如果你被列在此处，希望更正、修改或撤下相关内容，请写信给我们，我们会处理： [office@wavect.io](mailto:office@wavect.io)

### [Quivr](/zh/case-studies/quivr/)

Quivr 是一个 AI 驱动的数据验证协议，帮品牌识别最真实的粉丝。先在 Polygon 上线，后迁移到 Solana 以使用压缩 NFT。2024 年 4 月资金耗尽。

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