KEYNOTE: -- A Guide to 70M Users: Building Blockchain Platforms

Lewis Tuff, VP of Engineering

Lewis is the Vice President of Engineering at, where he is responsible for the technology underpinning’s services. Before, Lewis worked at Revolut, where he spearheaded the company’s crypto initiative, building the first of its kind crypto offering, and scaled the engineering team to 50+. Lewis began his career building trading and risk technology systems at Goldman Sachs and UBS.

Enterprise blockchain projects more than doubled from 2019 to 2020, and industry analysts expect use cases to keep growing at the same pace year after year. Despite blockchain technology moving beyond hype, the technology still has a ways to go before mass adoption and building these products is easier said than done. With valuing at $5.2B and the number of wallet users continuing to rapidly grow, Lewis will discuss how to build high-performing blockchain applications aligned with company growth—from the challenges companies face when building products on top of blockchain and how to overcome them, to best practices to achieve and surpass user milestones.