BlackRock transferred 2,750 Bitcoin (approximately $194 million) and 12,397 Ethereum (about $24 million) from its iShares Bitcoin Trust (IBIT) to Coinbase Prime on March 6, according to Onchain Lens. The transfer highlights ongoing fund management within BlackRock’s ETF holdings and underscores Coinbase Prime’s role as an institutional-grade platform for large-scale crypto custody and trading.