BlackRock Receives 293.6 BTC ($34M) and Deposits 4,538 ETH to Coinbase Prime — LookIntoChain (Sept 18)

According to COINOTAG on September 18, monitoring by LookIntoChain shows a BlackRock address deposited 4,538 ETH into Coinbase Prime, with a reported notional value of approximately $20.42 million. These on-chain records document a custodial inflow to the institutional-grade exchange platform and provide transparent traceability for the transaction.

The same dataset indicates the address received 293.6 BTC from Coinbase Prime, representing about $34 million in notional value. Presented as verifiable on-chain activity, the transfers reflect discrete custodial movements between an address tied to BlackRock and the exchange, as captured by blockchain monitoring services.