Technical Concept: Oracles
· Smart contracts cannot access off-chain data on their own, such as cryptocurrency prices or match results. Oracles are needed to write this data to the blockchain.
· Price feeds are typically published on-chain when the price moves by a specified amount or at regular heartbeat intervals.
$LINK is the token of the Chainlink oracle network. Currently 12.935.
· Smart contracts cannot access off-chain data on their own, such as cryptocurrency prices or match results. Oracles are needed to write this data to the blockchain.
· Price feeds are typically published on-chain when the price moves by a specified amount or at regular heartbeat intervals.
$LINK is the token of the Chainlink oracle network. Currently 12.935.