An Ethereum whale, holding 736,316 ETH valued at $2.89 billion, has made a significant move by depositing $500 million USDT into vaults launched by ConcreteXYZ and Stable. This deposit occurred prior to the official announcement of the vaults. The whale also deposited 300,000 ETH into Aave, using it as collateral to borrow $500 million USDT. This single entity's contribution represents 64.5% of the total $775 million USDT deposited into the vaults, highlighting the substantial influence of large holders in the cryptocurrency ecosystem.