Questions tagged [oracles]

Oracle is a way of implementing a Smart Contract. Instead of running the contract code directly on the blockchain, the code is executed on some special off-chain entities called oracles which then send the result of the code to the blockchain network with a signature.

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5
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1answer
627 views

How does Codius differ from Ethereum?

Codius is one of smart contract platforms by Ripple which project is unfortunately suspended. What did they try to do with Codius? How does it differ from Ethereum?
4
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2answers
782 views

Can't get oraclize to work

I have tried running programs with oraclize on the ethereum testnet (Morden). My program fails to compile due to import "dev.oraclize.it/api.sol" error. I have therefore tried to manually download ...
20
votes
3answers
5k views

How does Oraclize handle the TLSnotary secret?

Oraclize claims to offer a provably honest secure retrieval of a webpage by taking advantage of TLSnotary (a service that allows an auditor to verify if a specific web page was accurately retrieved) ...
89
votes
6answers
28k views

How can an Ethereum contract get data from a website?

What is the process/workflow behind the process where an Ethereum contract gets some data from a website?