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20 lines
608 B
Markdown
20 lines
608 B
Markdown
## chainlink
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<br>
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### tl; dr
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<br>
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* a decentralized oracle network consisting of three key smart contracts:
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* a reputation contract: keep track of data providers' performance.
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* an order-matching contract: selects bids from oracles using the reputation contract.
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* an aggregation contract—and an off-chain registry of data providers.
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* one of the main challenges with such a decentralized approach is the formulation of the aggregation function.
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* chainlink proposes calculating a weighted response, allowing a validity score to be reported for each oracle response.
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<br>
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---
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### resources
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