Bitcoin Optech Newsletter #398

Bitcoin Optech Newsletter #398 features selected Q&A from Bitcoin Stack Exchange, addressing Bitcoin's use of signatures over encryption, the evolution of its script commit-reveal structure, and key leakage in Taproot multisig. It also discusses the design of OP_CHECKSIGFROMSTACK (BIP348) for cross-UTXO signature reuse, enabling mechanisms like LN-Symmetry, alongside updates on Bitcoin infrastructure releases.