BlackRock transferred 45,240 ETH, valued at approximately $104.76 million, from its iShares Ethereum Trust (ETHA) and ETHB Ethereum ETF wallets to Coinbase Prime, according to on-chain tracking platform Onchain Lens. The movement of a significant block of ether from institutional custody into an exchange-linked wallet has drawn attention from market observers monitoring flows tied to spot Ethereum ETF products.