Galaxy Digital (NASDAQ:GLXY) launched a crypto-backed credit line Tuesday, letting clients borrow against Bitcoin (CRYPTO: BTC) and Ethereum (CRYPTO: ETH) without selling. What the Product Actually Offers According to a Galaxy press release, the GalaxyOne Crypto Portfolio Line of Credit combines BTC, ETH, and Solana (CRYPTO: SOL), including staked SOL, as collateral under a single revolving credit line.