Tom Lee’s BitMine has committed another $390.6 million worth of Ethereum to staking, increasing its exposure to network rewards. The latest transaction brings the company’s staked holdings to 5.23 million ETH, representing most of its Ethereum reserves. According to blockchain analytics firm Lookonchain, BitMine deposited an additional 159,728 ETH into staking contracts, expanding its existing position. The transaction raises the proportion of its Ethereum holdings allocated to staking to approximately 86.5%.