Aggregator (Data Aggregator)
Also known as: Data Aggregator, Oracle Aggregator, DEX Aggregator
A system or protocol that collects and consolidates data from multiple sources, often used in oracles and DeFi tools.
In blockchain, an aggregator refers to a tool or protocol that gathers, processes, and provides consolidated data from multiple sources. Data aggregators are crucial in oracle networks like Chainlink, where they combine feeds from various nodes to produce reliable and tamper-resistant price data. Aggregators are also used in DeFi to optimize yield (e.g., Yearn), compare gas prices, or find the best trade execution path (e.g., 1inch). These systems improve reliability, efficiency, and decision-making for users and smart contracts by minimizing reliance on a single data point.