The Bitcoin Operations Technology Group (Optech) works to bring the best open source technologies and techniques to Bitcoin-using businesses in order to lower costs and improve customer experiences. https://bitcoinops.org/ This week’s newsletter provides a reminder about potential feerate increases, summarizes suggested improvements to sighash flags to accompany BIP118 SIGHASH_NOINPUT_UNSAFE, and briefly describes a proposal to simplify fee bumping for LN commitment transactions. Also included are selected recent Q&A from Bitcoin StackExchange and descriptions of notable code changes in popular Bitcoin infrastructure projects. https://bitcoinops.org/en/newsletters/2018/11/27/ https://bitcoin.stackexchange.com/questions/81115/if-someone-wanted-to-pretend-to-be-satoshi-by-posting-a-fake-signature-to-defrau https://bitcoin.stackexchange.com/questions/80638/how-would-one-encrypt-a-message-using-a-bitcoin-public-key-and-use-its-priva/80640#80640 https://bitcoin.stackexchange.com/questions/80803/what-is-meant-by-transaction-pinning/80804#80804 https://bitcoin.stackexchange.com/questions/80698/schnorrs-batch-validation/80702#80702 Donate Bitcoin to Max: 3DqEnU6dW6bZesrVdThrrQjQKgN7dpY5vv https://tallyco.in/HillebrandMax Support the Show: https://www.patreon.com/wcn Read Rothbard, Use Bitcoin Show with Max Hillebrand: https://www.youtube.com/playlist?list... Open Source Everything, with Max Hillebrand: https://www.youtube.com/playlist?list... Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/w... Check out the brand new http://WorldCryptoNetwork.com/ Find out more about Max https://towardsliberty.com Support the Open Source Paper Anarchy in Money https://towardsliberty.com/anarchy Follow WCN on Twitter: https://twitter.com/WorldCryptoNet Follow Max on Twitter: https://twitter.com/HillebrandMax Follow BitcoinOpTech on Twitter: https://twitter.com/BitcoinOptech