I've tried a few crypto-to-fiat card setups, and most of them make you hand over custody of your funds just to get a working card. Bix does it differently. The core idea is simple: it's a self-custody wallet paired with a Visa card, and you use your USDT or USDC as collateral to power the card. You're not selling your crypto or moving it to some custodial account first — you keep your keys, and the card just draws against your stablecoin balance. It works wherever Visa is accepted, which in practice means basically... read full review »