According to the source, an X post dated Dec 8, 2025 reports that Tom Lee’s ‘BitMine’ bought 138,452 ETH valued at about $435 million, source: Dec 8, 2025 X post. The post provides no on-chain transaction hash, counterparty, or venue details, so the claim is not independently verified via public blockchain records at the time of the post, source: Dec 8, 2025 X post. For trading, the reported size would correspond to a single on-chain movement or aggregated exchange net inflows of roughly 138,452 ETH; confirmation requires locating a matching transfer on Ethereum or exchange flow data of similar magnitude, source: public Ethereum on-chain data and exchange netflow data. Until independently confirmed, traders can monitor ETH spot liquidity, derivatives funding, and large-address movements to assess volatility and follow-through risk around the reported buy size, source: the size disclosed in the Dec 8, 2025 X post.