Steven Goldfeder is a postdoctoral researcher at Cornell Tech where he works at the intersection of crypto(graphy) and crypto(currencies), co-mentored by Professor Ari Juels and Professor Andrew Miller. He holds a PhD from Princeton University and is a co-author of Bitcoin and Cryptocurrency Technologies, the leading textbook on cryptocurrencies. He received my PhD at Princeton University, where he was fortunate to be advised by Professor Arvind Narayanan. At Princeton, he was a member of the Security & Privacy Research Group, a CITP Graduate Student Fellow, and a National Science Foundation Graduate Research Fellow. His research interests include cryptography, security, and privacy, particularly as they relate to decentralized digital currencies.