How to read non-blockchain data in smart contracts and how Oracle works?
2023-01-09
Ethereum,Smart contracts,Blockchain
0 Comments3 Minutes
External data to the smart contract (from outside the blockchain) can be provided only, as parameters (arguments) of its call. Oracles are software running outside the blockchain, which listens for "requests" by smart contracts for external data, and then provides this data to the smart contract, by calling the appropriate…
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Data feeds – free data sources for smart contracts
2023-01-12Blockchain architecture,Smart contracts,Blockchainshort_en
Data feeds are data "produced" by oracles, published on the blockchain, available to be read for free by smart contracts.
0 Comments3 Minutes
Optimal strategy for safe Oracles use in web3
2023-01-11Blockchain architecture,Smart contracts,Blockchainshort_en
The oracle's business model is to execute off-chain (off-blockchain) queries and return them to the contract in exchange for a fee, which the contract pays by asking oracles for off-chain data.
0 Comments3 Minutes
How to read non-blockchain data in smart contracts and how Oracle works?
2023-01-09Ethereum,Smart contracts,Blockchainshort_en
External data to the smart contract (from outside the blockchain) can be provided only, as parameters (arguments) of its call. Oracles are software running outside the blockchain, which listens for "requests" by smart contracts for external data, and then provides this data to the smart contract, by calling the appropriate…
0 Comments3 Minutes
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