Jameson Lopp is the CTO and co-founder of Casa, a self custody service. A cypherpunk whose goal is to build technology that empowers individuals, he has been building multisignature bitcoin wallets since 2015. Prior to founding Casa, he was the lead infrastructure engineer at BitGo. He is the founder of Mensa's Bitcoin Special Interest Group, the Triangle Blockchain and Business meetup and several open source Bitcoin projects. Throughout this time he has worked to educate others about what he has learned the hard way while writing robust software that can withstand both adversaries and unsophisticated end users.