David Gerard writes the cryptocurrency and blockchain news site "Attack of the 50 Foot Blockchain, "and is the author of the 2017 "book Attack of the 50 Foot Blockchain: Bitcoin, Blockchain, Ethereum & Smart Contracts" and the 2020 book "Libra Shrugged." As well as being a crypto journalist, he also works as a Unix system administrator, where his job includes keeping track of exciting new technologies, and advising against the bad ones. He has also been an award-winning music journalist, and has blogged about music at Rocknerd.co.uk since 2001. He is a volunteer spokesman for Wikipedia, and for skeptical wiki RationalWiki.org. Originally from Australia, he lives in east London with his spouse Arkady Rose and their daughter.