[U.S. Borrowers Can Use Bitcoin as Mortgage Down Payment Collateral, Coinbase One Members Can Receive Up to $10,000 Cashback Upon Completion] Odaily Planet Daily News: Coinbase posted on the X platform stating that U.S. borrowers can now use Bitcoin as collateral for mortgage down payments without selling Bitcoin or facing margin calls. Coinbase One members can receive up to $10,000 cashback upon completing the transaction.