His "address" so people knew where to send the gold.
Leo first needed a bridge between his paper cash and the digital realm. He found a —a bustling digital marketplace like Coinbase or Kraken. To enter, he had to prove he was a real person by providing his ID and personal details . It was like getting a passport for a new country. 2. The Fuel: A Funding Source what do you need to buy bitcoin
The marketplace didn't take high-fives; it needed real value. Leo linked his (or his debit card) to the exchange. This was the fuel for his journey—the "old world" money that he would soon transform. 3. The Shield: Multi-Factor Authentication (MFA) His "address" so people knew where to send the gold