Chainlink launched Fulcrum, a platform for cross-chain institutional repurchase-agreement financing and collateral management, while partnering with the Depository Trust & Clearing Corporation (DTCC) on collateral infrastructure. At SIBOS 2026, the companies demonstrated a Fulcrum securities-financing workflow and discussed DTCC's Collateral AppChain, an application-specific blockchain intended to support near-real-time collateral management and tokenized securities. Fulcrum supports 24/7 collateral transfers, mobilization and same-day financial transactions across public, private and permissioned blockchains, while integrations with financing venues remain in progress. The platform separates the venue managing a financing agreement from the networks where cash and collateral settle, and does not custody assets, act as a counterparty or operate a trading venue.