Mike Hearn is a software developer famous for the development of Bitcoinj and his contribution to Bitcoin Core. Before he started his work on Bitcoin, he was employed at Google and worked on such projects as Google Maps and Gmail’s anti-spam and login security. After two years of Bitcoin development, Mike Hearn joined R3 — an enterprise software company, focusing on building blockchain platforms for businesses. Mike is currently working as a lead platform engineer for Corda — R3’s main product, which is specially designed for business blockchains. His texts on Bitcoin’s problems, new technologies and approaches to blockchain technologies published on blog.plan99 received good feedback from other blockchain experts. Mike is a popular blockchain specialist who has given talks on Bitcoin, Corda and cryptocurrency’s future at various events and meetups.