Bitcoin Optech #236

This week’s newsletter summarizes a proposal for serverless payjoin and describes an idea for allowing proof of payment for LN async payments.

This week’s newsletter summarizes a proposal for serverless payjoin and describes an idea for allowing proof of payment for LN async payments. Also included is our regular section with descriptions of notable changes to popular Bitcoin infrastructure software.

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Ashigaru Whirlpool and Terminal v1.0.0 Released

Ashigaru Whirlpool is a ZeroLink coinjoin implementation designed to sever all deterministic links between inputs and outputs, ensuring enhanced bitcoin transaction privacy.

23 Jun 2025

3 min read