BIP-110's enforcing branch stalls after two blocks, BTCPay Server 2.4.2 closes an exploited LND macaroon leak, and Anzen prototypes vault style Bitcoin custody under existing rules. Bitcoin Breakdown is sponsored by Casa, which helps clients set up guided multivendor multisig vaults: https://casa.io/. Three Bitcoin stories in under five minutes; full written edition: https://www.btcbreakdown.com/p/issue-620