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 activity has largely overshadowed some revolutionary changes in our understanding of the existing Bitcoin Script, changes which form the basis of BitVM but which may also form the basis of other, equally-exciting improvements.
This article tries to summarize and organize research into Script by other people. I make no claim to originality or authorship of anything described here.
Bitcoin Script
As many readers are aware, Bitcoin Script is a simple programming language embedded in the Bitcoin blockchain, which is used to control under what conditions coins may move. By far the most common use of Script is to simply check a signature with a single signature verification key. Though Bitcoin addresses have changed throughout the years, every form of address has supported this use of script in
We współpracy z: https://bitcoinmagazine.com/technical/script-state-from-lamport-signatures-
