A wallet linked to BlackRock's ETF products transferred approximately $203 million in Bitcoin and Ethereum to Coinbase Prime within the past hour, according to on-chain data monitored by Onchain Lens. The transaction included 860.393 BTC valued at roughly $71.54 million and 52,488 ETH worth approximately $131 million. The significant movement of assets to a prime brokerage platform suggests potential portfolio rebalancing or liquidity management activities tied to the asset manager's crypto fund operations.