Chicago Bitdevs #77.5 @ CBC

Please note that Chicago BitDevs aims at a technical audience. A general expectation is that people are quite familiar with Bitcoin's design, security, and specifications. Everyone is welcome, and we encourage newcomers to observe. Newcomers to Bitcoin should make sure to check out the Bitcoin & Open Blockchain meetup at [https://www.meetup.com/Bitcoin-Open-Blockchain-Community-Chicago/](https://www.meetup.com/Bitcoin-Open-Blockchain-Community-Chicago/) . Check out [https://ChicagoBitDevs.github…