21Shares, HashKey Cloud Join 250 BTC Stacks Staking Round

Four institutional firms bonded a combined 250 BTC in a Stacks staking round called the Genesis Bond, the network's first institutional Bitcoin Staking bonding period, redirecting Bitcoin held on the base layer into a yield mechanism anchored to the world's largest proof-of-work chain. WHAT TO KNOW Combined commitment: A reported 250 BTC bonded at launch, an aggregate figure, not a per-firm amount. Participants: 21Shares, HashKey Cloud, UTXO Management and Sypher Capital. Four firms bond 250 BTC in Stacks staking round Stacks Labs said 21Shares, HashKey Cloud, UTXO Management and Sypher Capital participated in the Genesis Bond, with 250 BTC bonded at the September 10, 2026 launch. The figure is the four firms' combined reported commitment. For related coverage, see Bitcoin Rises as Inflation Data Sets Stage for Fed Decision. Genesis Bond: BTC bonded at launch, as announced 250 BTC Stacks Labs reported 250 BTC bonded at the Genesis Bond launch on September 10, 2026, naming 21Shares, HashKey Cloud, UTXO Management and Sypher Capital. The aggregate was not independently reconciled on-chain; participant allocations were not verified. Source: Stacks Labs. The aggregate reflects the published announcement rather than an independently reconciled on-chain total. Transaction hashes, addresses and per-institution amounts were not disclosed, so no single firm's share can be stated. For related coverage, see Osmosis Took 74 Days to Discover 40-BTC Nomic Exploit. Custody routes differed across the group. According to Stacks Labs, 21Shares, HashKey Cloud and UTXO Management bonded self-custodially, while Sypher Capital participated through liquid staking via StackingDAO. That distinction matters because the pooled route carries different trust assumptions than a direct bond. For related coverage, see Blockstream Rejects Ransom After Alleged 4,000 BTC Liquid Hack. What the 250 BTC commitment tells readers The commitment is a bond, not an equity purchase or a spot STX buy. Under the Genesis Bond structure, participants hold a dual-asset position: BTC timelocked on the Bitcoin base layer and STX locked on Stacks at a value equal to 5% of the bonded BTC. Institutional Bitcoin allocation continues to broaden, from spot exchange-traded products to corporate treasuries such as Metaplanet's planned Hong Kong trading unit. Rewards come from Bitcoin that Stacks miners spend through Proof of Transfer, a consensus mechanism in which miners commit BTC to mine blocks and receive STX. The Genesis Bond runs a six-month term with 24 weekly distributions and a target of 3% BTC APY. The 3% figure is a target, not evidence of realized returns. Stacks said first weekly Bitcoin rewards were expected on September 17, 2026, a scheduled payout rather than a completed one. Direct self-custodial participation is whitelisted during the bootstrap phase, with permissionless auctions under a future PoX-6 version described as planned rather than live. The pooled route used by Sypher Capital is explicitly not self-custodial.