Mysten Labs is launching a network on the Sui blockchain through which Bitcoin serves as collateral for loans without leaving the Bitcoin chain. More than $500 million is committed; terms, starting liquidity and the schedule remain open.

Hold Bitcoin and need cash and you long had only one option: sell. Since October 9, 2026 a second variant is on the table. Mysten Labs, the development firm behind the Sui blockchain, is launching Hashi, a network through which Bitcoin serves as collateral for loans without leaving the Bitcoin blockchain. More than $500 million in capital commitments from over twenty partners stands behind it, according to The launch runs in phases through October.

For investors in Europe this is, to begin with, news about a product you will not find in your banking app. It becomes interesting at three points: the question of whom you entrust your Bitcoin to, the tax question around the holding period, and the risk that every collateralised loan carries. Bitcoin trades on Sunday at $83,906, or €74,816.

Hashi launches on Sui: Mysten Labs gathers more than $500 million in commitments

Hashi is a network for Bitcoin finance built by Mysten Labs. Bitcoin finance here simply means that Bitcoin already held is put up as security for borrowing instead of sitting unused in a wallet. The loan is paid out in other assets on the Sui chain, not in Bitcoin itself.

The figure travelling through the reports is $500 million. That number comes from the announcement and describes capital committed by more than twenty partners from the industry. The rollout begins in October and proceeds in stages rather than on a single date.