Dan Gould: Payjoin DevKit Ships and Breaks Common Input Ownership | SLP753

JUL 7, 202618 MIN
Stephan Livera Podcast

Dan Gould: Payjoin DevKit Ships and Breaks Common Input Ownership | SLP753

JUL 7, 202618 MIN

Description

<p>Payjoin delivers transaction batching driven by real economic activity rather than waiting for pool participants, while also cutting fees through direct net settlement between counterparties.</p><p>Dan Gould, maintainer of Payjoin DevKit, explains how the new async protocol and oblivious HTTP relay change what is practical for mobile wallets today.</p><p>The conversation covers current live deployments in Bull Bitcoin and Cake Wallet, remaining fingerprinting heuristics beyond common input ownership, the multi-party roadmap, and how developers can integrate the library with under ten thousand lines of code.</p><p>Timestamps:</p><p>00:00 — Payjoin DevKit</p><p>01:46 — Live Payjoins in Wallets Today</p><p>04:25 — No Waiting for Batch Pools</p><p>06:14 — Payjoin Works on Mobile Phones</p><p>08:29 — Oblivious HTTP Hides Your IP</p><p>10:05 — Fingerprinting Still an Issue?</p><p>14:02 — Net Settlement Saves Big Fees</p><p>15:36 — Multi-Party Payjoin Roadmap</p><p>17:10 — Build Payjoin in a Weekend</p><p>Links: </p><ul><li><p><a href="https://x.com/brian_trollz/status/2069465912143749462"><u>https://x.com/brian_trollz/status/2069465912143749462</u></a> </p></li><li><p><a href="https://github.com/payjoin/payjoin.org/pull/143"><u>https://github.com/payjoin/payjoin.org/pull/143</u></a> </p></li><li><p><a href="https://payjoindevkit.org/"><u>https://payjoindevkit.org/</u></a> </p></li><li><p>https://x.com/bitgould</p></li></ul><p>Stephan Livera links:</p><ul><li><p>Follow me on X:<a href="https://twitter.com/stephanlivera"> @stephanlivera</a></p></li><li><p><a href="https://plinkhq.com/i/1415720320">Subscribe to the podcast</a></p></li><li><p><a href="https://stephanlivera.substack.com/">Subscribe to Substack</a></p></li></ul>