E-wallet Code ◎ <EXCLUSIVE>

What feature would you add next? (Transaction history, recurring bills, crypto support?) 👇

def pay(self, amount, merchant): if amount <= 0: return "Invalid amount" if amount > self.balance: return "Insufficient funds" self.balance -= amount self.transactions.append(f"-${amount} to {merchant}") return f"Paid ${amount} to {merchant}. Balance: ${self.balance}" e-wallet code

Ever wondered how digital wallets like PayPal, GCash, or Paytm handle transactions behind the scenes? While a full-scale e-wallet requires heavy security and compliance, understanding the core logic is a great coding exercise. What feature would you add next