All Speakers Speaker Julio Merelo Casado Position: CIO Company: Alastria Blockchain Ecosystem Julio Merelo Casado, Computer Engineer, is CIO at Alastria—Europe’s largest blockchain association—overseeing blockchain projects from digital identity to sustainability and coordinating the ISBE network. He lectures at various universities and business schools. Formerly CIO/CTO at APD (transforming 3,500 firms in six countries), Deputy Director at Cecabank, and Open Platform CTO at BBVA (Bizum). He founded WAVEXT to drive exponential business growth via disruptive tech. Sessions Wed 11 Jun 16:20 - 16:50 Auditorium 3 Premium VIP Pass Blockchain Sustainable blockchain: From proof of work (Pow) to proof of stake (Pos)