SF Bitcoin Devs Seminar: GreenAdress presents multisig, security & other tech

Lawrence Nahum is a technology entrepreneur, Bitcoin expert and executive with a strong focus in bringing innovative and disruptive tech to market. Lawrence is CEO and founder of GreenAddress (https://greenaddress.com (https://greenaddress.com/)), a prime Bitcoin services company that offers the industry's first and most advanced multi-signature Bitcoin wallet. Previously, Lawrence was a technology Vice President at OTC financial services leader Markitserv where he led various products and techn…