Carlos Santos
Bitcoin developer. Rust enthusiast. Open-source contributor.
Currently learning and building in the open, working on rust-payjoin.
Blog
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BIP 78 & BIP 77: Understanding Payjoin from the Ground Up
A deep dive into Bitcoin's Payjoin protocol — how BIP 78 and BIP 77 work, what problems they solve, and the cryptographic primitives that make them possible.
Using Pico Key OpenPGP (RP2350) on Linux Mint
A step-by-step guide to setting up the Pico Key OpenPGP smart card on Linux Mint, including the critical libccid configuration that is hard to find anywhere.
Payjoin POC: Implementing no_std on the payjoin ecosystem
This logbook documents my journey through the Vinteum Bitcoin Developer Launchpad PoC.