Ethereum OG 'thomasg.eth' has made a significant purchase of 1,401 ETH for $3 million, according to Arkham monitoring. This acquisition brings his total Ethereum purchases to $19.5 million this week. At the height of the 2021 market, 'thomasg.eth' was known to hold up to $538 million in ETH, WBTC, and DAI, highlighting his substantial involvement in the cryptocurrency space.