After leaving MIT to co-found an early digital token startup in Anguilla, he set up the world’s first datahaven — on the self-declared independent state of Sealand — to host early digital currency and related projects. Subsequently he spent 7 years working on Iraq and Afghanistan bootstrapping a defense contracting business, working with government and private clients.
Ryan co-founded CryptoSeal, a security technology company developing virtual machine security solutions, which was acquired by Cloudflare. His recent focus has been in cryptocurrency security and infrastructure, serving as Tezos CSO and Foundation Board member, along with a number of other projects.