LONDON, April 13 (Reuters) - Crypto lender Nexo said it has teamed up with global payments company Mastercard (MA.N) to launch on Wednesday what it calls the world's first "crypto-backed" payment car… [+1492 chars]Read the whole story by on Reuters:https://www.reuters.com/technology/nexo-mastercard-launch-world-first-crypto-backed-payment-card-2022-04-13/