测试币可以换成主网ETH了,普通用户能薅到这个羊毛吗?

Odaily星球日报Published on 2023-02-22Last updated on 2023-02-22

Abstract

之前你存在Goerli测试网地址中的GETH测试币,现在可以兑换为以太坊主网上的ETH了。

去年以太坊升级前,曾有骗子将 Goerli 测试网上的 ETH 测试币(即 GETH)宣传成「以太坊新币」,号称可以半价出售,偶尔引得几个不明真相的韭菜上当受骗。当时我就心生好奇,真有人会去买卖没有任何炒作价值的 GETH 测试币?

时间线推至今日,全链互操作性协议 LayerZero 推出一款公共产品——Testnet Bridge(测试网桥),并为 ETH/GOERLI-ETH(GETH)创建了一个即时定价的开放市场。换言之,之前你存在 Goerli 测试网地址中的 GETH 测试币,现在可以兑换为以太坊主网上的 ETH。

对普通用户而言,通常只需要少量的 GETH 测试币就可以参与 Dapp 测试的工具;但对于开发者来说,在开发过程中需要用到大量 GETH 进行大批量的部署和交易试验,如果通过常规方式去 Goerli 水龙头领取测试币,积累速度非常慢——目前 9 天才给 6.25 个测试币,远远不能满足开发者需求。因此,GETH 对于开发者而言也就有了一定的交易价值,Testnet Bridge 就是为了解决这一困境设计的。

水龙头领取 GETH

操作上,用户首先需要连接钱包地址——目前支持 Metamask、Coinbase 钱包、Binance Smart 钱包以及 walletconnect 共计四种;在前端页面输入你想兑换的主网 ETH 数量,系统会根据实时汇率计算你可以在测试网上收到的 GETH 数量;点击确认,支付 GAS 费用即可完成交易。如果想将 GETH 兑换为 ETH,方法同理。

ETH 兑换为 GETH

根据官方设计,GETH 的初始价格设定为 0.10 美元,并在以太坊主网以及 Goerli 测试网上的 Uniswap 上开设了两个池子,存入 12500 个 GETH,普通用户可以加入其中作为 LP 提供流动性。

Odaily 星球日报查询发现,仅仅过了不到一天,Testnet Bridge 就开始起量,目前主网池中共有 4.91 个 ETH 以及 14.6 万个 GETH;测试网上有 5.05 个 METH 以及 15.7 万个 GETH。折算下来,GETH 价格目前约为 0.05 美元,较初始发行价腰斩一半。(注:ETH 与 METH 是 1:1 兑换。)

ETH/GETH 流动池

如果你觉得这样就可以轻松赚钱,未免「图样图森破」。用户将自己测试网中 GETH 兑换为主网 ETH 时,需要支付 600 个 GETH 作为 GAS 费——这一关基本将中小玩家都排除在外。

另外,虽然测试网和主网上 ETH/GETH 存在价差,但无法套利——我们在主网上 1 个 ETH 兑换为约 25000 个 GETH 后发现,测试网上没有开放 GETH 兑换为 METH 的通道,最终只能原路换回主网上的 0.68 个 ETH,折价 32%。

套利折价

还有一种套利方式是在中心化交易平台 Lbank 和 Testnet Bridge 之间搬砖(注:Lbank 于 2021 年上线了 GETH/USDT 交易对),但这种方式操作可行性也不高。目前 Lbank 上 GETH 深度不够,买卖前十档总共只有不到 8000 个 GETH,并且买一和卖二存在近一倍的价差,如下所示:

Lbank 上的 GETH 交易情况

对于开发者来说,这次上线的 Testnet Bridge 最大用处就是以后可以在链上便捷买卖测试币;对于普通用户来说,如果非要薅一波羊毛,可以选择批量注册几个社交账户领取水龙头测试币,当然这需要等待很长的时间才可以成功变现。

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