# What Is a Blockchain? | Blockchain Refreshers for Developers

- Channel: [Chainlink San Francisco](https://streameth.org/chainlink-san-francisco)
- Date: 2022-10-24
- Watch: https://streameth.org/watch/yt-dA7vlDDvaIQ
- YouTube: https://www.youtube.com/watch?v=dA7vlDDvaIQ