Tokenized U.S. Treasurys have reached a market cap of $8.6 billion, marking a significant shift from passive yield instruments to active collateral in trading and credit markets. This growth, up from $7.4 billion in mid-September, is led by BlackRock’s BUIDL at $2.85 billion, followed by Circle’s USYC and Franklin Templeton’s BENJI, each around $865 million. Fidelity's new tokenized money-market fund has also grown to $232 million. Institutional adoption is accelerating, with exchanges and banks integrating tokenized Treasurys into their systems. Bybit now accepts QCDT, a tokenized money-market fund, as collateral, while DBS is testing Franklin Templeton’s sgBENJI for trading and lending. Infrastructure advancements, such as the Chainlink and Swift pilot using ISO 20022 messages, are enhancing interoperability between traditional and blockchain systems. Despite these advancements, tokenized Treasurys face regulatory and operational challenges, including limited access to Qualified Purchasers and liquidity constraints. However, as these assets mature, they are expected to integrate more seamlessly into traditional financial workflows, potentially narrowing the gap with conventional money-market norms.