This is true for the challenge of proving that cascading stylesheets are Turing-complete, or that you don’t need all those fancy ISA bits of an ARM processors when you already got the LDM and ...

Data manipulation is at the heart of computation, and a system is said to be Turing-complete if it can be configured to manipulate data in a way that makes implementing arbitrary computation possible.

Although the Script language in Bitcoin transactions is not Turing Complete (NTC), Ethereum's Solidity programming language is Turing Complete (TC). The Taproot upgrade of Bitcoin in November 2021 ...