Startupper, digital marketing specialist and independent researcher in security of Bitcoin and blockchain. Active in the Bitcoin world since 2011, where he deals with research and training on cybersecurity and privacy issues. In May 2018 he organized, for the Trustless Computing Association, the event “Free and Safe in Cyberspace”, speakers included leading IT and blockchain security experts, activists, think tanks and public institutions, including top executives Deutsche Telekom, German Armed Forces, Austrian CIO and German Ministry of Interior.