Bitmine reveals holding 4,534,600 ETH, with total crypto assets and cash amounting to $10.3 billion According to PRNewswire, as of March 8, Bitmine holds 4,534,600 ETH, accounting for approximately 3.76% of the total ETH supply. Additionally, it holds $1.2 billion in cash, along with some Bitcoin and equity investments, bringing total assets to $10.3 billion. Of these, 3,040,500 ETH have been staked, generating an annualized staking income of approximately $174 million at current prices.