Contributions to Payjoin Plugin for BTCPay Server by @V_Polyachenko
A BTCPay Server plugin that adds Async @payjoindevkit (BIP-77) support to the checkout flow. The plugin uses C# bindings to the Rust Payjoin Dev Kit generated via UniFFI.
🔗 https://t.co/IDU9cGg09j
Node Payjoin Demo by @xstoicunicornx
A Node @payjoindevkit demo in Typescript that replicates the functionality of payjoin-cli, the reference implementation for the payjoin protocol.
🔗 https://t.co/rJhH64MlU7
How can wallet fingerprints be used to damage Payjoin privacy? @Arminsdev spent a week in a darkly lit room to study this class of attacks against real-world Payjoins.
This would be a massive boon for on-chain privacy. Making every lightning channel re-balance transaction a PayJoin transaction would begin to erode the efficacy of common input ownership heuristics used by chain surveillance companies.
Excited that PayJoin is working towards integrating into lightning opens & splices. Would be awesome if we got that!
Wanted to clear up my earlier tweet about this (attached). It is something they're going to do. Lots of complex issues to solve to get there but lets go!
Okay I spoke with Dan and this is something they're working towards. It appears they've written PayJoin into LDK for the onchain wallet, with the intention of eventually getting it integrated into channel opens & splices. That would be super exciting if they can get there 🚀
⚡ Episode 4 is OUT ⚡
The NON-PROFIT category of @cypher_tank
Only 1 project takes $100K 🥇
But everyone wins & THE WINNERS ARE REVEALED at the end
👉 Watch Episode 4 now 👀
https://t.co/4BmtLp6qKg
Payjoin Foundation receives 501(c)(3) status to fund bitcoin privacy
The @payjoindevkit announced its designation as a 501(c)(3) non-profit status from the Internal Revenue Service, effective July 23, 2025. The designation allows the organization to accept tax-deductible charitable contributions to fund open-source privacy protocols.
The foundation maintains a dedicated budget to recruit talent directly for deep technical work. This strategy bypasses the delays of external grant processes the organization termed “Bitcoin Grant Purgatory.”
"Having an organized foundation with a dedicated budget enables us to recruit talent to solve specific problems rather than recommend an external org make a grant to each individual contributor," Payjoin lead maintainer @bitgould said in the foundation blog post.