Bitcoin Magazine Async Payjoin, the HTTPS of Bitcoin Privacy Async Payjoin is the best hope for strong privacy in Bitcoin. Modeled after HTTPS, which enabled secure payments for the web, the Payjoin foundation has been quietly building up this privacy toolkit, which must be adopted by a large number of Bitcoin wallets, to deliver privacy at scale. Modeled after the Bitcoin and Lightning dev kits — which have become quite popular among wallet developers — and built with the same cryptographic primitives already in Bitcoin core, such that it can be easily integrated into the main Bitcoin implementation, Async Payjoin is designed from the bottom up for mass adoption. Following in the footsteps of Let’s Encrypt, which in the 2010s led the mass adoption of HTTPS on the web via open source, free software tooling, Async Payjoin looks to solve Bitcoin’s biggest privacy pain points through an open privacy standard. Unlike specific privacy-focused wallets like Samourai Wallet and Wasabi, Async Payjoin is a software library that any bitcoin payments app can integrate, joining an open standard of privacy, similar to HTTPS on the web. Async Payjoin is also referred to as Payjoin V2 by the Foundation, as it differs from V1, an older implementation that requires both users to be online while they transact for the Payjoin to work. A growing list of Bitcoin wallets support the Payjoin Foundation’s V1 and V2 standards today, including: BTCPay server – V1 Blue Wallet – V1 Bull Bitcoin Mobile – V2 Wasabi Wallet – V1 Cake Wallet – V2 Bitmask – V1 JoinMarket – V1 Sparrow Wallet – V1 Async Payjoin is backwards compatible, such that users with wallets that do not support the standard yet can still send to Payjoin addresses and QR codes without friction to the users. Fans of Bitcoin privacy should ask their favorite wallet providers to integrate this open source standard, which developers can find a technical reference for at Bip 77, alongside their plug-and-play dev kit on GitHub. The PayJoin Foundation Team The nonprofit PayJoin Foundation, launched in August 2025 to sustain open-source privacy development, receives funding from OpenSats and Cake Wallet, while Spiral, Human Rights Foundation, Maelstrom, and Btrust have supported many of the open-source developers who contributed to the project. Their GitHub shows 37 contributors just on the Rust implementation of Async Payjoin. Development of the Async Payjoin protocol, also known as Payjoin V2 via Bip 77, is spearheaded by Dan Gould, executive director of the Payjoin Foundation and lead maintainer of the Payjoin DevKit. Dan has pioneered Bitcoin privacy tools since the TumbleBit era, forked Wasabi Wallet for mobile use, and co-authored BIP 77 with Yuval Kogman, advisory board member and Spiral Bitcoin Wizard with over two decades of programming experience. Kogman has done extensive work in the Bitcoin privacy field, such a in a formal or creative style for better SEO.Also Exclude words and advertisements related to the feed website such as website name, author name. You must only respond with the modified content. Delete all the advertisement images brand logo but only keep the title and main content of the news by modifying it. Block any jump outside of the site adarshnews.com. Basically remove any content or link related to original site. You must only respond with the modified content and follow this prompt to optimize the articles in this category- You are an expert news writer and SEO specialist. 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Async Payjoin: Bitcoin Privacy’s HTTPS Equivalent
