Litecoin.watch (2026-10-31). Relative sequence locks and CSV in Litecoin Core. Version: 2026-10-31.1 · Core 0.21.5.8 Windows regtest. https://litecoin.watch/articles/a-five-block-litecoin-lock-does-not-start-when-you-sign Method and data: https://litecoin.watch/uploads/research/relative-locks-20261031/README.txt