[Grayscale Transfers Approximately 3,844 ETH and 211 BTC to Coinbase Prime Address] Deep Tide TechFlow reports, on March 9, according to Arkham monitoring data, approximately two hours ago, Grayscale transferred about 3,844 ETH (approximately $7.79 million) and 211 BTC (approximately $14.6 million) to a Coinbase Prime address.