The Power and Versatility of Simplicity: Advantages, Pitfalls, and Customization in Bitcoin Scripting

Simplicity, a programming language for Bitcoin Script developed by Blockstream, offers significant advantages over Miniscript. It supports versatile computation models, complex sign conditions with universal sighashes, and the construction of zero-knowledge proof verifiers. Sharing witness and disconnection nodes in Simplicity programs can lead to pitfalls, emphasizing the importance of avoiding such sharing. Consistency in typing and the use of aliases are also crucial in Simplicity programming. Simplicity offers greater expressiveness and customization capabilities, making it a powerful tool for Bitcoin scripting.