HashKey Cloud joins Stacks as launch partner for Bitcoin staking and sBTC signer

HashKey Cloud, the staking arm of Hong Kong-listed HashKey Group (HKEX: 3887), will join the first Stacks Genesis Bond, launching around September 10, and enter the signer set securing sBTC. The firm stakes HKD 29 billion across 40+ networks and has run nodes since 2018. Bitcoin Staking lets holders earn BTC-denominated yield while coins stay locked on Bitcoin under self-custody. sBTC moves Bitcoin between layers, requiring 70% signer consensus. UTXO Management, a Nakamoto Inc. subsidiary, also participates. Muneeb Ali and Dr. Xiao Feng announced the partnership at a Hong Kong event.

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