Coinbase has become the largest individual Ethereum validator, controlling 11.42% of the total staked ETH.Coinbase operates 120,000 validators and manages approximately 3.84 million staked Ethereum tokens.Coinbase reported a 99.75% participation rate with zero slashing or double signing, ensuring security for staked assets.Concerns are raised over centralization as Coinbase's dominance in Ethereum staking threatens decentralization.