Ethereum bull Arthur Hayes, the founder of BitMEX and a long-term crypto proponent, repurchased $10.5 million worth of Ethereum above $4,100 days after taking profit on his $8.3 million Ether holdings. On-chain intelligence trackers are tracing large volume Ethereum transfers from whales and institutions, likely for profit-taking or kicking off new investments as ETH hovers around $4,500 on Tuesday.