Grayscale has transferred substantial cryptocurrency holdings to Coinbase Prime, including approximately 46.676 BTC, 282.541 ETH, and 1,286 SOL, as part of its CoinDesk Crypto 5 ETF. Additionally, Grayscale moved 3,677 ETH, valued at around $15.68 million, to a Coinbase Prime hot wallet. These transactions were monitored by Arkham and occurred roughly two hours ago.