David Gerard writes frequently about cryptocurrency and blockchain. He is the author of the 2017 book Attack of the 50 Foot Blockchain: Bitcoin, Blockchain, Ethereum & Smart Contracts and the 2020 book Libra Shrugged: How Facebook Tried to Take Over the Money.As well as being a crypto journalist, David 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 since 2001. He is a volunteer spokesman for Wikipedia, and for skeptical wiki RationalWiki. Originally from Australia, he lives in east London with his spouse Arkady Rose and their daughter.