Fireblocks has announced a strategic integration with the Bitcoin Layer2 network Stacks to launch native DeFi services for institutional users. Set to debut in Q1 2026, this partnership will enable Fireblocks' 2,400 institutional clients to engage in the Stacks-based DeFi ecosystem without liquidating their Bitcoin holdings. The integration will support STX token custody, sBTC minting, cross-chain operations, BTC-collateralized lending via Zest and Granite, and participation in Hermetica's BTC yield vaults and Bitflow's trading and liquidity services.