The Bitcoin Script language is a simple, stack-based scripting language used to define the spending conditions of Bitcoin transactions. It prioritizes security and minimizes complexity, playing a ...

The last six months or so have seen several proposals for improvements to Bitcoin Script: CAT, 64-bit arithmetic, as well as some older ideas (CTV) and far-future ideas (Chialisp and Simplicity). This ...

What if the same Bitcoin signature could authorize spending from multiple different UTXOs? BIP 118's ANYPREVOUT does exactly ...

Recently, the concept of so-called covenants has received renewed attention as Bitcoin development and protocol discussions underwent a renaissance. Covenants could enable and facilitate a wide range ...

In my prior article on the mempool, I laid out a simple conceptual framework to reason about the basic functionality of the mempool, and how it was used by different kinds of users of the Bitcoin ...

While the last year or two have seen a number of proposals for covenant-proposing extensions to Bitcoin, there has always been a suspicion among experts that covenants may be possible without any ...

Last month I attended the maiden voyage of Programming Taproot, a new workshop that Bitcoin developer Jimmy Song just launched. He held the one-day workshop in Bitcoin Commons in downtown Austin. It ...