David Greenstein co-founded Sound.xyz, a music platform for artists and collectors.
David Greenstein co-founded Sound.xyz, a music platform for artists and collectors.
Career
David Greenstein studied at Y Combinator.
Co-founder and CEO at Sound until PresentCo-founded a web3-native music platform designed to help artists release music and build communities directly with fans. Sound.xyz went offline on January 16, 2026, as the team shifted its focus to Vault.fm.