These startups are working with Argentine crypto pioneers such as Demi Brener (OpenZeppelin), Seba Serrano (Ripio), Mariano Conti (Maker), Marcelo Cavazzoli (Lemon) and Santi Siri (Democracy Earth), as well as global leaders such as Juan Benet (Protocol Labs), Alex Gluchowski (ZKsync) and David Hoffman (Bankless).