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Bitcoin Message Decoder

5.2
security speculative added: Wednesday August 2026 08:26

A web application allowing users to easily decode and view messages embedded in Bitcoin transactions using the OP_RETURN function, inspired by the 'graffiti wall' of pleas in the Coldcard hacker's wallet.

40h
mvp estimate
5.2
viability grade
8
views

technology stack

Python Easy SQLite web

inspired by

'You stole, please return some.' Coldcard hacker's wallet becomes a graffiti wall