: Enter the specific dollar amount you need for your meal.

Show the QR code/barcode to the "Sandwich Artist" at the register. Add the card to the to pay for mobile orders. Method 2: Bitcoin-Enabled Debit Cards

: Another popular option for converting BTC to store credit.

In very rare cases, individual franchise owners may choose to accept Bitcoin directly.

: At the Subway counter, you simply swipe or tap your card like any other Visa or Mastercard. Method 3: Direct Payment (Select Locations)