Prometheum launched new broker-dealer and RIA infrastructure on May 25 allowing traditional Wall Street firms to offer tokenized securities to investors at scale.Co-CEO Aaron Kaplan said crypto has solved tokenisation but not distribution, leaving $24 billion in on-chain securities without a mainstream investor channel.Prometheum operates a network of SEC-registered and FINRA-member broker-dealers supporting the full lifecycle of blockchain-based securities from issuance through settlement.