BitVM创建者认为,比特币升级OP_CAT并非尽善尽美

币界网Publicado em 2024-08-22Última atualização em 2024-08-22

币界网报道:

比特币的开发者社区花了几个月的时间来赞扬OP_CAT——这是一项拟议的软分叉变革,许多人认为这是比特币的下一个进化。

然而,BitVM的创建者Robin Linus对此持保留态度,他在周四发表了一篇文章,揭穿了人们对这一广受吹捧的变化的误解。

OP_CAT是比特币的未来吗?

该开发者的帖子名为“防止CATastrophe”,认为OP_CAT可能会给比特币带来支持者往往淡化的风险。他写道:“我的目标不是支持或反对op_cat,而是揭穿这些误解,引导讨论转向更基于事实的理性分析。”。

其中之一包括引入新的计划,这些计划可能会大大改变比特币矿工的动机和整个网络的安全性。

Linus说:“比特币上基于op_cat的DeFi应用程序的设计空间在很大程度上尚未得到探索,我们无法预见可能出现的所有创新以及它们如何影响MEV(最大可提取价值)。”。

OP_CAT是一个旧的比特币操作码,最初是为了组合或“连接”两条数据而创建的。出于安全考虑,中本聪于2010年将其删除,但在2023年通过BIP 347重新引入,以使其能够处理更复杂的数据结构,如Merkle树,并大大增强其功能。

另一方面,许多人将比特币简单的代码和对变化的抵制视为其安全性和纯度的灯塔。因此,OP_CAT的支持者经常指出,这种变化只涉及10行新代码,只是重新引入了旧技术,从而最大限度地减少了其攻击媒介。

Linus反驳道:“你可能不会立即利用这10行代码,但这并不意味着op_cat不会干扰更广泛的系统及其激励结构。”。“由于不可能预测激活op_cat的所有后果,我们无法自信地断言其安全性。”

关于比特币的约定?

OP_CATs最受吹捧的好处之一是它能够将契约(有条件支付)引入比特币。Linus认为,基于OP_CAT的契约“在块空间和交易费用方面效率低下”,其他操作码提案更适合这一目的。

在给CryptoPotato的一条消息中,广受欢迎的OP_CAT支持者Bob Bodily——Bioniq的联合创始人兼首席执行官——同意Linus对契约的特别批评。他补充道:“在过去几年中,有更好的契约提案(CTV)被暴力关闭,而CAT则有更广泛的比特币生态系统支持。”。

最受欢迎的拟议契约用例之一是启用无信任的比特币桥,让比特币以真正去中心化的方式转移到其他区块链和L2网络。Linus和几位同事最近发布了“BitVM2”白皮书,概述了一种在不改变比特币核心的情况下创建信任最小化比特币桥的方法,而不是依赖于此。

然而,根据Bodily的说法,OP_CAT是一个“低级原语”,它提供的不仅仅是契约,还包括有助于Linus创作的功能。

他写道:“以BitVM模型(或BitVM2)为例,CAT使其明显更好。”。“更有效率。更便宜。更灵活。我不知道为什么罗宾会这样公开反对CAT,因为这会让他做得更好。”

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