Batch more transactions into fewer blocks to save you money and preserve privacy. Any Bitcoin settlement can become Payjoin with PDK.
Joined June 2023
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Payjoin Dev Kit 1.0 is here.
The Rust implementation of BIP 77 and BIP 78 payjoin is stable on crates.io, with foreign language bindings for wallets that aren't written in Rust available in Dart, C#, JavaScript, Python & more
payjoin.org/blog/2026/08/12/…
Satsie and Justin completed one year of service as the inaugural Board of Directors. Thank you for your service and we look forward to hearing your thoughts as the organization you helped ship matures.
@BenAllenG and @spacebear21 are joining the Board for the next year. See payjoin.org/foundation/ for the current structure.
Thanks for spreading the support @MaelstromFund
This is the first grassroots, novel Payjoin cut-through implementation using PDK that we've seen. Huge.
Bark-powered Cashu Mints
Board directly from onchain to your @CashuBTC balance using any @payjoindevkit enabled wallet such as @BULLBITCOIN_
Private. Anonymous. Proof of Reserves.
(Mainnet demo. Proof of concept only. Second is NOT operating any mints)
Async Payjoin @BtcpayServer plugin making serious progress
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.
🔗 github.com/ValeraFinebits/bt…
Look, Payjoin Dev Kit in Javascript
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.
🔗 github.com/xstoicunicornx/no…
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.
Payjoin Foundation Granted 501(c)(3) Status
Yes tax-exemptions, but also recruiting tools.
We recruited cracked young @0chavic from Zambia who'd still be in Grant Purgatory without formal organization. This aligns our team and gives you accountability.
Read on below
Thanks to @AlpenLabs (chads 😉) for Bitcoind Async Client.
It’s made payjoin-cli much easier to maintain. And @storopoli cooks upstream requests faster than his picanha hits the grill 🇧🇷🔥
Can't wait for Alpen's mainnet launch, especially real borrowing on Bitcoin rails.
Thank you @cakewallet for your early adoption and generous ongoing support of Payjoin. The future of Bitcoin depends on it.
New Payjoin integration shipped. Bull Bitcoin wallet on the App Store for iOS for the first time.
🚨 ANNOUNCEMENT: BULL Wallet is now available worldwide on iOS & Android!
A self-custodial, Bitcoin-only wallet designed for low-fee, private payments and long-term cold storage.
Built for cypherpunks. Perfect for beginners.
Bitcoin, Lightning & Liquid: seamlessly swap between networks with non-custodial atomic swaps.
Open-source, privacy-focused, and beautifully simple.
TRY IT NOW ↓
Anyone can run an Async Payjoin directory or OHTTP relay. Censorship resistant money can’t have central points of failure.
We just released payjoin-1.0.0-rc.0. We think it’s a stable API.
@BullBitcoin_ and @cakewallet pilots showed us a need for stability before more integrations.
More integrations must be coming next.
github.com/payjoin/rust-payj…
17 contributors on this crate alone. Many others just haven’t made commits.
Payjoin automates consolidations in a privacy preserving way since sender and receiver can both provide many inputs. Third parties can’t know all inputs come from one cluster. And consolidating on receive avoids creating new inputs altogether.
Spiral Bitcoin Wizard (yes, that's his rightful title) and Longtime Bitcoin Privacy Developer Yuval Kogman Joins
Payjoin Foundation as the First Advisory Board Member.
Thank you @spiralbtc and @not_nothingmuch. We'd still be playing in the mud without your support. Read more👇
"If you have a whole economic network of payjoin-using entities, and they engage in commerce with each other, at some point everything will be linked to everything else." @ 30:43
Here is the third episode of the Privacy Series. I'm joined again by @not_nothingmuch to discuss Bitcoin privacy, specifically the general behaviors that can either leak private information or protect it. (Bonus Surprise: I think I've got the hang of audio editing now).
