UniswapX正式上线,真的能实现「零 Gas」、「无 MEV」交易吗?

Odaily星球日报Published on 2024-04-09Last updated on 2024-04-09

Abstract

目前仅有DAI、UNI、1INCH、APE等较少数币种才能够通过UniswapX路由实现免 Gas 交易。

4 月 7 日,据官方公告,Uniswap 网页版已正式上线 UniswapX,次日 Uniswap Labs 官方推特发文表示,用户已经可以在 Uniswap 网页应用上体验到 UniswapX 带来的「零 Gas」「防 MEV」链上交易体验。自去年 7 月上线测试网版本以来,备受市场期待的 UniswapX 在历时八个月后终于与用户见面了。

UniswapX正式上线,真的能实现「零 Gas」、「无 MEV」交易吗?

去年 7 月 17 日,Uniswap 宣布推出非托管的、基于荷兰式拍卖的协议 UniswapX,它将帮助用户逐步实现聚合流动性、防 MEV、无 Gas 交易等比肩 CEX 的链上交易体验。随后,UniswapX 便进入紧锣密鼓的产品研发阶段。同年 9 月,Uniswap Labs 又推出了漏洞赏金计划,悬赏范围包括 Router、V3、UniswapX 等合约,奖励最高达 225 万美元。

相关阅读《对话 Uniswap 创始人:UniswapX 的崛起与去中心化市场的未来

今年 2 月,Uniswap Labs 宣布推出限价订单功能,该功能由 UniswapX 提供支持,利用链上和链下流动性,无需 GAS 费用,并且可以为任何交换规模设置,没有最低要求。如果市场达到用户指定的价格,并且 UniswapX 的「填充者」(Fillers)接受了用户的交换请求,订单将自动执行,而且没有任何 GAS 费用。如果订单在用户设定的时间内没有被满足,则订单会过期,过期订单不会产生任何费用。

根据 Uniswap官方详解文档,UniswapX 将路由复杂性外包给第三方填充者的开放网络。然后,填充者使用链上流动性(如 Uniswap v2 或 v3)或他们自己的私人库存来竞争填补交易,任何人都可以成为 UniswapX 交易的第三方填充者。目前,UniswapX 仅在以太坊主网的 Uniswap 网页应用上可用,并会在未来扩展到 Uniswap 钱包等其他产品。

UniswapX正式上线,真的能实现「零 Gas」、「无 MEV」交易吗?

用户如希望体验 UniswapX,只需在 Uniswap 网页应用的右上角设置按钮中开启「UniswapX」开关后即可。BlockBeats 对产品进行实测后发现,目前仅有 DAI、UNI、1INCH、APE 等较少数币种才能够通过 UniswapX 路由实现免 Gas 交易,而诸如 AAVE、ARB、USDT 等币种则时常无法使用 UniswapX 的路由。这是因为,当用户开启 UniswapX 路由后,Uniswap 网页端应用会自动根据最优交易费用来为用户筛选最佳交易路径,即当 V2 或 V3 的交易滑点要低于 UniswapX 时,则 Uniswap 会自动为用户跳转至前两者交易路径。

UniswapX正式上线,真的能实现「零 Gas」、「无 MEV」交易吗?

另外,由于产品处于早期阶段,市场上对 UniswapX 的讨论热度和使用强度均不高。甚至还有用户在社交媒体上表示,自己在使用 UniswapX 交易后,仍旧遭到了 MEV 攻击,不过该用户反应的情况并未得到进一步的证实。

UniswapX正式上线,真的能实现「零 Gas」、「无 MEV」交易吗?

不管怎么说,作为 DeFi 领域备受关注的创新产品,UniswapX 的到来继续推动了 DEX 追赶 CEX 交易体验的进程,毫无疑问的是,随着更多市场参与者和用户的参与,UniswapX 将覆盖更多代币交易对。UniswapX 的到来,能否开启加密世界的「零 Gas」「无 MEV」交易呢?我们拭目以待。

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