The BlackRock USD Institutional Digital Liquidity Fund (BUIDL), tokenized by Securitize, a company specializing in the tokenization of real-world assets, has surpassed $1 billion in assets under management, marking a key milestone for on-chain finance. Launched in March 2024 on a public blockchain, BUIDL enables dollar-based investments with on-chain yields, 24/7 transfers, and flexible custody. The fund has expanded its interoperability across multiple blockchains, driving institutional adoption. The sector is experiencing rapid growth, with projections estimating a $50 billion market for tokenized assets by 2025.