# CAN-20 Content Additional Protocol

Each Ticker under the CAN-20 protocol actually logically corresponds to an AI agent, and for high-quality agents, users have the need to enrich the agent training data. So the can-20 protocol, when transferring provides enrich, enrich data operation.

**Can** support a variety of data types: including text, code, tables, audio, images, video and so on. This will be beneficial to users according to their needs.

**Can** support a variety of data sources: including user-owned data, public data, third-party data and so on. This will facilitate users to access data easily.

**Can** provide data quality assessment function: help users to assess the quality of data. This will be conducive to users to select high-quality data and enrich the training data of AI agent.