About

Jason Dreyzehner (dɹaɪːznər) is a software developer focused on pro-freedom technologies: peer-to-peer money, communication, and identity.

Jason is currently at Bitauth.com. His open source work includes Libauth, Chaingraph, Bitauth, Bitauth IDE, Quantumroot, OpenTokenRegistry, CashTokens.org, vm.cash, Jedex, qr-code, typescript-starter, and several past upgrades and proposed standards for Bitcoin Cash: Loops, Functions, P2S, Bitwise, VM Limits, BigInt, CashTokens, Introspection, OP_MUL, BCMRs, ZCEs, CashChannels, BCH PayPro, and AllowReplay.

Jason previously led the design team at BitPay (2013 to 2019), where his open source work included BitPay wallet, Bitcore, Insight, and cordova-plugin-qrscanner.

Beyond this blog, Jason occasionally posts on Bitcoin Cash Research, under bitjson on Reddit, and @bitjson on Twitter.