HashKey Joins Stacks as Bitcoin Staking Launch Partner and sBTC Signer

HashKey Cloud, the institutional staking arm of Hong Kong-listed HashKey Group, is joining Stacks as a launch partner for self-custodial Bitcoin Staking. It will participate in the first Stacks Genesis Bond and join the signer set that secures sBTC.

HONG KONG, September 4, 2026 — HashKey Cloud, the institutional staking and yield infrastructure arm of Hong Kong-listed HashKey Group (HKEX: 3887), and Stacks, the leading Bitcoin layer by BTC deployed, today announced that HashKey Cloud is joining Stacks as a launch partner for self-custodial Bitcoin Staking. HashKey Cloud will participate in the first Stacks Genesis Bond, which launches around September 10, and is joining the signer set that secures sBTC, the protocol that moves Bitcoin between the Bitcoin base layer and the Stacks network.

HashKey Cloud is the largest institutional staking provider in Asia by assets under management, with HKD 29 billion staked across more than 40 blockchain networks and a track record that includes the first ETF staking service built to Hong Kong SFC standards. HashKey Group, which provides digital asset services to 1 billion global users, ranks No. 1 in Asia as a digital asset manager by AUM, as an onshore digital asset exchange by trading volume, and as an on-chain services provider by assets under staking, according to Frost & Sullivan. Its participation puts one of the most established names in Asian digital finance behind Bitcoin Staking at launch.