Ethan Heilman is a PhD student at Boston University's Computer Science Department and a member of the computer security research group BUSEC. His research includes novel attacks on hash functions including breaking a SHA-3 competitor, network security and Blockchains. Based on research he published he has contributed improvements to Bitcoin-Core which strengthen the security of Bitcoin's P2P network.
His earlier adventures include developing bioinformatics software for the Broad Institute, building scalable software at two search engine startups (Jumptap and Pubget), and at the Geographics Lab helping design Cape Cod's Intelligent Transit System. His latest projects are TumbleBit which allows for scalable private Bitcoin payments and Commonwealth Crypto Inc a cryptocurrency company he founded.