coinjoin

2 entries tagged coinjoin. All writing.

OCTOBER 6, 2026 The Rule That Never Mentioned Lightning FinCEN withdrew its 2023 proposal to label crypto mixing a "primary money laundering concern." I read the withdrawal notice and the original proposal. Neither says the word Lightning, but the proposal's definition of mixing was written so broadly that a literal reading brushes against how Lightning works. Here is what the rule said, what it would have meant for Lightning service providers, what the withdrawal changes today, and what it leaves alone. SEPTEMBER 29, 2026 The Coins Exchanges Won't Let Back In CoinJoin — a real, measurable Bitcoin privacy technique — mixes coins in a way that risk-scoring vendors flag and some exchanges won't cleanly accept back. That's a second leak in the supply math besides "lost forever" coins, and a genuinely different one from the STRC/SATA absorption story. I went and sized it. It's real, it's underappreciated, and it's much smaller than either of those two.