Blockchain industry insights: Two oracle models
The advantage of push-based feeds is that contracts can use the data right away. The tradeoff is that the oracle network has to keep paying Gas to push updates, so the update frequency can’t be increased freely.
When using pull-based price feeds in DeFi applications, check the feed’s update time and confidence interval. Don’t use feeds that are too old or have intervals that are too wide.
$PYTH and $LINK are the tokens of the oracle networks Pyth and Chainlink, respectively.
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#PYTH