> For the complete documentation index, see [llms.txt](https://docs.satoshiterminal.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.satoshiterminal.io/documentation/cryptographic-algorithms-and-protocols/cryptography-in-blockchain-transactions.md).

# Cryptography in Blockchain Transactions