一文了解BNB Chain上MEV解决方案的潜力

Odaily星球日报Published on 2024-06-07Last updated on 2024-06-07

Abstract

探讨MEV的机制以及BNB Chain的提议者-构建者分离 (PBS) 模型如何重塑MEV格局。

MEV 是指矿工、验证者或其他网络参与者通过重新排序、包含或排除区块内的交易可提取的最大利润。在本文中,我们将探讨 MEV 的机制以及 BNB Chain 的提议者-构建者分离 (PBS) 模型如何重塑 MEV 格局。

MEV 是什么?

MEV 源于区块链技术的去中心化特性。与由中央机构决定交易顺序的传统金融系统不同,区块链交易是根据协议规则排序的。这为矿工和验证者提供了优化交易排序以获取利润的机会。

MEV 激励网络参与者维护和保护区块链。通过允许矿工和验证者从交易排序中获利,MEV 提供了支持网络的财务动机。这可以提高安全性和稳定性,因为参与者更有可能投资于更好的硬件和基础设施以最大化他们的收益。

MEV 驱动的活动可以通过实现套利机会和流动性提供来提高市场效率,这对于去中心化交易所和金融协议的健康运作至关重要。然而,MEV 也带来了挑战,例如潜在的中心化和不公平的交易优先级风险,必须加以管理以确保生态系统的平衡。

常见的 MEV 策略

在去中心化交易所 (DEX) 中,矿工和验证者采用多种 MEV 策略来最大化利润:

  • 套利:通过抢先交易其他交易者来利用不同市场之间的价格差异。

  • 反向交易:在大量买入订单之后下达卖出订单,以从购买压力中获利。

  • 三明治交易:围绕目标交易下达买卖订单,以从价格波动中获利。

  • 闪电贷:在单笔交易中借入和偿还资金,以实现无需前期资本的盈利交易。

已经开发出一些策略来减轻 MEV 的利用,例如用于去中心化和公平交易排序的公平排序服务 (FSS)、链下交易、批处理以最大限度地减少交易重新排序的影响,以及允许用户设置最大滑点限制的协议。

介绍 BNB Chain 的 MEV 解决方案

为了应对 MEV 挑战并利用其机遇,BNB Chain 生态系统开发了由 Blockrazor、blocksmith 和 NodeReal 支持的全面 MEV 解决方案。BNB Chain 开源存储库维护构建器列表和相应的 RPC 端点。

BNB Chain MEV 解决方案的主要特点

  • 集成验证器支持:BNB Chain 上 40 个活跃验证器中约有 23 个已与 MEV 提供商集成。

  • 标准化构建器 API:此 API 在 BEP 322 中提出,允许验证器以无需许可的方式接受构建器注册,从而实现与多个构建器的无缝集成并促进竞争。

  • 增强透明度:强大的数据报告和透明度机制使所有参与者能够跟踪和了解 MEV 活动,这对于优化 MEV 流程和维护区块链的完整性至关重要。

当前 MEV 解决方案面临的挑战

尽管取得了进展,但 BNB 链上当前的 MEV 格局仍然存在挑战:

  • 验证者的复杂性:缺乏标准化的构建器 API,需要为每个 MEV 解决方案提供独特的实现,从而使集成和维护变得复杂。

  • 碎片化和缺乏开放市场:单个 MEV 提供商导致碎片化。面向 MEV 搜索者的开放市场可以简化流程并增强去中心化。

  • 收入和数据不透明:无法跟踪和了解 MEV 收入产生和参与者贡献,阻碍了公平有效的评估。强大的数据报告对于解决这一问题至关重要。

新提案:BEP 322 MEV 供应链解决方案

BNB Chain 正在通过 BEP 322 中引入的提议者-构建者分离 (PBS) 模型来增强其 MEV 格局。该模型将验证者与区块构建者分开,允许构建者创建区块并向验证者提出建议,然后验证者选择最有利可图的区块。关键方面包括:

  • 构建者注册:无需许可的构建者注册可实现与多个构建者的无缝集成。

  • 区块构建和提议:构建者使用统一的 API 提出区块,从而简化生产。

  • 费用对帐:自动费用对帐机制简化了费用流程并提高了透明度。

  • 公平利润分配:MEV 的利润在搜索者、构建者、验证者和 BNB 持有者之间分配。构建者使用私人内存池来保护用户免受攻击并提供更好的定价。

BNB Chain 的 MEV 解决方案的优势

对于构建者

  • 提高盈利能力:实施多样化的定价机制,向搜索者提供免费服务,同时向验证者收费。

  • 竞争性市场:标准化的构建器 API 促进竞争、创新和效率。

对于验证者

  • 最大化奖励:与 MEV 提供商的集成可将盈利能力提高 7% 至 15% 。

  • 简化集成:统一的构建器 API 降低了集成复杂性,减少了维护工作量并最大限度地减少了安全漏洞。

对于钱包和用户

  • 改善用户体验:用户受益于更好的交易执行和降低的抢先交易风险。

  • 更公平的交易处理:标准化和透明的 MEV 流程促进了公平的交易优先级。

结论

MEV 是区块链技术的一个自然而重要的方面,可提高盈利能力和效率。BNB Chain 的 PBS 模型解决了常见的 MEV 挑战,促进了竞争、透明和公平的 MEV 生态系统。构建者可以通过多样化的定价机制最大化盈利能力,验证者可以简化集成并最大化奖励。用户受益于改进的交易执行和公平性。

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Welcome to the HTX Community. Here, you can stay informed about the latest platform developments and gain access to professional market insights. Users' opinions on the price of BNB (BNB) are presented below.

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