Bitcoin Optech Newsletter #420
The Bitcoin Optech Newsletter #420 details several security updates for Core Lightning, BTCPay Server, and Eclair, alongside technical discussions on opt-in replay protection for forks, the transition of the Hardware Wallet Interface (HWI) project to maintenance mode, and a proposal for block-range filters to reduce download sizes. It also covers various Bitcoin Core and Lightning infrastructure code updates, including a new mempool-based fee rate estimator and RPC connection limits.
Security releases for key Lightning Network implementations (CLN, Eclair) and payment processors (BTCPay Server) are critical for node operators. Technical proposals regarding replay protection and block-range filters aim to improve network resilience and efficiency.