The Tellor system allows users to request specific pieces of data, and reporters can then submit those values. Every piece of data that is requested, reported, and retrieved within the Tellor system is associated with a Query Type, Query Data, and a specific identifier, known as the Query ID.

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Some quick definitions before we move on:

A Query Type is a specification for custom data you want to receive from the oracle. It defines the parameters of a Query that users can input for their specific requests. For example:

Query Type - SpotPrice

  1. asset

    • description: Asset ID (e.g. BTC)

    • value type: string

  2. currency

    • description: Selected currency (e.g. USD)

    • value type: string

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