I have decided that I would no longer like to be a member of Bitcoin Unlimited. The reason is that I feel Bitcoin Unlimited, as an organization, is too closely associated with the Bitcoin SV community.

The event that really decided my opinion is the lawsuit against several people in…

Abstract: This article describes the design of an opcode recently added to the Bitcoin Cash scripting language called “OP_CHECKDATASIG” [1]. This opcode was activated on the Bitcoin Cash network during the recent upgrade. It allows Script to validate arbitrary messages from outside the blockchain, opening up many exciting possible use…

从比特币成功分裂成两条链(比特币和比特现金)已经快一个月了。硬分叉诞生了比特现金,也为这个新生的货币创建了一些规则,最引人注目的就是移除了阻碍比特币发展的1MB区块大小限制。但是,还部署了其他一些很重要的改变,以便让比特现金可以彻底分裂并与比特币共存。

其中一项额外的更改叫做紧急难度调整(EDA)。部署EDA是一种相对安全且最小的更改,可以在比特现 …

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