Fireblocks Adds Stacks to Bring Bitcoin DeFi to Institutions
Update (2-4-26 at 6:49 UTC): This article has been updated to show the correct Stacks block time as 5 seconds Fireblocks, an institutional-grade crypto infrastructure company, announced on Wednesday that it will…
Update (2026-02-04 06:49 UTC): This article was updated to correct the Stacks block time to about 5 seconds.
Fireblocks, an institutional crypto infrastructure provider, announced plans to integrate Stacks — a DeFi layer built for Bitcoin — to give its institutional clients access to lending and yield-bearing products. The integration is intended to reduce latency for Bitcoin-based DeFi by leveraging Stacks’ roughly 5-second block times while still settling transactions to the Bitcoin ledger for finality.
By relying on Stacks’ faster blocks, Fireblocks says the integration sidesteps Bitcoin’s roughly 10‑minute block time, a frequent institutional concern for BTC-native DeFi applications. A Fireblocks spokesperson confirmed the approach and said the company expects the feature to go live in “early” 2026; no specific launch date was provided.
The move comes amid sustained institutional interest in Bitcoin DeFi despite a market downturn that left Bitcoin about 40% below its October 2025 all-time high above $125,000. At the time of publication, roughly $5.5 billion was locked in Bitcoin-based DeFi projects, per DefiLlama. Bitcoin DeFi TVL climbed from about $704 million in October 2024 to more than $9 billion by October 2025, before pulling back to current levels. For broader context, total value locked across the crypto ecosystem was about $103 billion.
Advocates argue Bitcoin-native DeFi could eventually replace some traditional financial services with decentralized alternatives that expand access. Matt Hougan, CIO at BitWise, has projected Bitcoin DeFi could grow into a $200 billion market. Critics, however, warn that expanding second-layer activity and DeFi functionality tied to Bitcoin might create pressures that threaten the base layer’s decentralization — a concern voiced by Markus Bopp, CEO of infrastructure firm Trac Systems.
Fireblocks’ integration of Stacks signals continued institutional experimentation with Bitcoin-centered decentralized finance, balancing the desire for faster, feature-rich DeFi with the need to anchor finality to Bitcoin’s ledger. Readers should verify details independently; the above reflects the information available at the time of writing.