Sean has been in Bitcoin and Blockchain technology research and development since 2011. He is an ICO Bench Expert Top 50 in the world. Sean is a Certified Blockchain Professional. As a regular speaker at the NASDAQ Marketsite, he is co-author of numerous papers regarding Blockchain/Cryptocurrencies and taxes with well known European Union lawmaker Ksenija Cipek ‘Dame of Honour’. Sean is an Advisor to many successful Blockchain Projects including 1irstcoin.