Introduction to Trust-Minimized Services
summary
Hands‑on workshop shows how to deploy real contracts in Remix that call Chainlink services: a hardcoded BTC/USD price feed (proxy + aggregator) is queried and returns on‑chain price; a Chainlink Functions consumer sends JS to off‑chain nodes using subscription ID (example sub 604) and returns "Luke Skywalker" from an API; a VRF v2 consumer requests two random words and receives two large randomness values; an Automation job fires every 120s and increments a counter — all demos deploy and run.
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chapters (8)
- 0:00Workshop introduction
- 2:58Overview of Chainlink
- 6:37The Oracle problem
- 17:51Chainlink data feeds
- 35:28Chainlink functions
- 1:00:13Chainlink VRF
- 1:22:59Chainlink automation
- 1:40:02Support and conclusion
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