Data Cleaning Techniques for Analyzing Ethereum Addresses and Transactions
Ethereum transactions pile up fast. Addresses send and receive tokens constantly, creating messy datasets filled
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Read the guide →Oracles & External Data
The <strong>Oracles & External Data</strong> category focuses on integrating real-world data into Ethereum smart contracts using oracles. Learn how to fetch external data securely, connect APIs to blockchain applications, and implement solutions like Chainlink and Oraclize for reliable data feeds.
Oracles: Getting Data Inside Blockchain
Smart contracts on the Ethereum blockchain operate in a closed environment. They execute code deterministically,
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Read the guide →Oracles, Data Outside of the Blockchain
Smart contracts requirements may need to do actions depending on results of real world events
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Read the guide →Reading Chainlink Price Oracles from JavaScript
A common problem you may face in Ethereum programming is getting a price feed of
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Read the guide →Getting Data From the Internet with Oraclize
Smart contracts can interact with data living in the blockchain but it is impossible to
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