: Use the exchange's built-in wallet or provide your own BTC wallet address .

Walmart's fintech partner, OnePay , allows users to trade and hold cryptocurrency directly within the mobile banking app.

: Complete any required KYC (Know Your Customer) steps to enable trading.

: You can hold the BTC in the app or eventually convert it back to cash for store purchases. Option 2: Use an External Crypto Exchange

You can buy Bitcoin using your by treating it like a standard debit card on crypto exchanges or by using Walmart's integrated OnePay features. Option 1: Use the OnePay App (Direct Integration)

: Navigate to the crypto section, select Bitcoin (BTC), and use your card balance to complete the trade.