[Mastercard and Chainlink Launch Fiat-to-Crypto On-Ramp] According to Finance Feeds, Mastercard has partnered with Chainlink to launch a fiat-to-crypto on-ramp, allowing users to purchase digital assets directly within on-chain smart contracts using bank cards. Shift4 Payments handles card transactions, Zero Hash is responsible for compliance and settlement, Chainlink provides data verification, and Swapper Finance connects to decentralized exchange liquidity through XSwap.