Sebastien is a co-founder of Paima Studios: a framework for creating app-specific L2s for onchain gaming and autonomous worlds. Paima Studios is the 2nd largest framework for onchain gaming in the world, and created the most popular onchain game from Japan. He is also the co-founder of dcSpark: a B2Treasury company that builds core infrastructure for L1s and L2s, which is one of the largest blockchain infrastructure companies in Japan with over 5 million yen in revenue