SIGHASH__NOINPUT, Cross-Chain Lightning Exchange ~ Bitcoin Op Tech #28
World Crypto Network
Bitcoin Core 0.17.1 restores deprecated RPCs and fixes bugs. The mailing list debate on SIGHASH__NOINPUT (BIP 118) centers on enabling flexible transaction modification for payment channels while resolving edge cases. Cross-chain Lightning routing exposes a vulnerability: users can construct nearly-free options contracts by delaying multi-currency payments and speculating on exchange rates, potent

https://relay.towardsliberty.com/fd159a8dde791d6610653729c114fa6d731a9c952b97edca42fc243c82500235.mp4
Jan 22, 2019