Credit and cashback cards: your questions answered

What is on offer? Two things. Some cards let you spend borrowed money secured by your coins. Others attract readers chiefly through payouts in coins or stablecoins.

What to inspect? Figures that show if a deal is real: interest charged, payout caps, the coin of payment, pledge conditions and the fine print behind each «up to» number.

What can go wrong? A coin-secured loan can be demanded back after a price drop, while a bonus paid in an erratic coin shrinks with it. Entries spell it out.

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