A wallet associated with Ethereum co-founder Vitalik Buterin was flagged sending 400 ETH, worth around $600,000, to Coinbase.
Source: https://cointelegraph.com/public/index.php/news/vitalik-wallet-sends-400-eth-worth-600k-to-coinbase
Vitalik wallet sends 400 ETH worth $600K to Coinbase
