BlackRock, the world's largest asset manager, has detailed its staking strategy for the newly proposed Ethereum ETF (ETHB) in a recent regulatory filing. The fund plans to actively stake the majority of its Ether holdings to generate rewards, while maintaining a portion as a 'Liquidity Sleeve' to manage daily subscriptions, redemptions, and operational expenses, ensuring smooth order execution for ETF investors.
Ethereum Staking Queues: 70-Day Activation, Months-Long Withdrawal Risks
Ethereum's proof-of-stake protocol imposes queue-based mechanisms for both staking and withdrawal processes. According to BlackRock's updated investor disclosure, new Ether deposits must first enter an activation queue before they can begin staking, with current data showing approximately 4 million ETH awaiting activation and an average processing time of up to 70 days. Exiting staked positions requires passage through a withdrawal queue. The fund warns that during periods of network congestion, redemptions from staked balances could be delayed by weeks or even months, directly impacting yield-seeking investors and those needing quick liquidity.
Commission Structure: 18% of Staking Rewards to Service Providers
The ETHB filing clarifies the fee breakdown for staking-related activities: 18% of total staking rewards will be distributed among the fund manager, principal executing institution, and authorized staking service providers. Separately, a sponsor fee of 0.25% per annum applies, reduced to 0.12% for the first $2.5 billion in assets during the initial 12 months. Staking rewards fluctuate with Ethereum network conditions, so final amounts passed to investors depend on overall costs and reward calculation methodology.
Fund Size Growth: Potential Annual Gross Rewards of 43,300 ETH
As of February 2026, BlackRock's existing Ethereum product, ETHA, stands as the largest among Ethereum-based ETFs, with assets under management of $6.58 billion and over 425 million shares outstanding. If ETHB reaches half that scale, it would control approximately 1.6 million ETH. Simulations suggest that staking 95% of those holdings at current network rates could generate between 28,800 and 43,300 ETH in gross rewards annually. After sponsor fees and service provider compensation, BlackRock's annual revenue could range from $11 million to $20 million.
Bulk Staking Strains Network; Retail Investors Face Congestion
Large-scale staking by an ETF like ETHB may amplify congestion in Ethereum's activation and withdrawal queues, prolonging the period retail investors must wait to receive rewards. A surge in ETF inflows can further tighten queue capacity, making queue duration and network liquidity critical to investor experience. In a scenario of sudden redemption spikes, the fund could face settlement delays, especially if a large fraction of assets remains locked in staking. As the ETF's staked share grows, aggregate staking yields across the network could be pushed lower.