Bitmine Immersion Technologies (NYSE American: BMNR), chaired by Tom Lee of Fundstrat, launched MAVAN (Made in America Validator Network). This is its proprietary institutional-grade Ethereum staking platform, initially built for the company’s own massive ETH treasury and now opened to external institutional clients, custodians, and exchanges.
As of March 24, 2026, Bitmine had 3,142,643 ETH staked via Coinbase, valued at approximately $6.8 billion at ~$2,148 per ETH. This makes it one of the largest single staked positions globally, and the company claims it has staked more ETH than any other entity. In the past week alone, Bitmine staked an additional 101,776 ETH ~$219 million directly to MAVAN and plans to migrate nearly all of its remaining unstaked ETH holdings to the platform in the coming weeks. The company holds a total of around 4.1–4.66 million ETH, representing a significant portion of the total ETH supply previously noted near 3.86%.
Based on a recent 7-day yield of ~2.83%, Bitmine expects annualized staking rewards approaching $300 million once its holdings are fully deployed on MAVAN roughly $1 million+ per day at scale.
MAVAN combines U.S.-based validator infrastructure; appealing for institutions needing domestic validation or regulatory comfort with a globally distributed architecture for international clients. It aims to serve as a premier staking destination for institutions while potentially expanding to other proof-of-stake networks and broader crypto infrastructure services in the future.
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This move positions Bitmine as one of the largest public holders of ETH, with total crypto + cash holdings in the $11–13 billion range as a major player in Ethereum staking infrastructure, competing with established providers like Lido or centralized options from exchanges. It also reflects a broader trend of large treasuries and TradFi-adjacent players building or offering institutional staking solutions.
Bitmine’s stock (BMNR) has been volatile: up ~122% over the past year but down ~58–66% in the last six months as of the announcement, with a market cap around $9.5 billion at the time of reports. The launch highlights the company’s shift from simply holding ETH to actively generating yield and offering services on top of its treasury.
Note that these figures come from company announcements and press releases, so they reflect Bitmine’s reported numbers. Staking involves risks like slashing, though major platforms generally have strong track records. This is a notable development in institutional Ethereum adoption and on-chain yield generation.
Ethereum staking involves locking ETH to help secure the proof-of-stake (PoS) network and earn rewards, but it carries several risks. These range from minor reward reductions to potential loss of principal. With over 30% of ETH supply staked in 2026, yields have compressed to roughly 2.5–4.5% APY making risk management even more important.
Validators can lose a portion of their staked ETH for protocol violations: Equivocation — Signing two conflicting blocks or attestations for the same slot/target. Surround votes — Attestations that violate timing rules. Penalties include: An immediate ~1 ETH (1/32 of effective balance) burn.
Inactivity penalties during a 36-day exit queue. This scales with how many other validators are slashed in the same ~36-day window. If ~33%+ of the network is involved, the penalty can reach 100% of the 32 ETH effective balance per validator.
Historical slashing is rare, and isolated events typically cost ~1–3% of stake. Large correlated events remain a tail risk, especially for operators running many validators on similar infrastructure. Downtime usually only causes missed rewards or small inactivity penalties, not full slashing—unless it triggers broader issues.
Staked ETH is not immediately accessible. Withdrawals go through an exit queue whose length depends on network demand (can take days to weeks during high exits). Large simultaneous unstaking can create delays and temporary illiquidity.
Liquid staking tokens (LSTs) like stETH mitigate this by providing tradable tokens, but they introduce depegging risk; LST trades below 1:1 with ETH and smart contract vulnerabilities. Using third-party staking providers, pools, or liquid staking protocols exposes you to bugs, hacks, or exploits in their code.
For large operators like Bitmine staking billions, infrastructure concentration or correlated failures across their validators could amplify losses. Rewards are paid in ETH, but the dollar value of your stake and yields can drop sharply. Opportunity cost arises if unstaked ETH could be used elsewhere during bull runs.
As more ETH is staked already >30%, base rewards decline. Current estimates hover around 3–4% nominal, with real yields affected by network fees and issuance. Ethereum can be net deflationary during high activity due to fee burns, but this dynamic shifts. Staking services could face evolving rules treating them as securities or imposing restrictions in certain jurisdictions.
Bitmine’s large position ~$6.8B+ staked means any MAVAN-specific issues could have outsized impact, though the company emphasizes U.S.-based validators and institutional-grade security. Diversify validators — Use multiple providers, geographies, and clients to reduce correlation risk.
Ethereum staking has a strong historical track record: net rewards to stakers have far exceeded losses since the Merge, with high validator uptime ~99.7%. Slashing events are infrequent and usually minor for well-run operations. However, the risks are real—especially liquidity during stress, smart contract exposure in pooled solutions, and tail risks from correlated failures.
Staking suits those with a long-term bullish view on ETH who can tolerate lockups and volatility. For Bitmine’s MAVAN launch or similar institutional moves, the yield potential ~$300M annualized projected for their holdings is attractive, but execution, security, and concentration risks warrant close scrutiny.