# Connecting Billions of Cardholders to DeFi | Mastercard & Chainlink

- Channel: [Chainlink San Francisco](https://streameth.org/chainlink-san-francisco)
- Date: 2025-10-24
- Watch: https://streameth.org/watch/yt-y-PvIVFMJYQ
- YouTube: https://www.youtube.com/watch?v=y-PvIVFMJYQ