Add License
You can add a license to an Arweave upload with tags. This is applied directly to the file. The most common licenses to add are a Creative Commons license (CC) or a Universal Data License (UDL).
You can read the UDL document here. In short, a UDL is a programmable license on Arweave. A UDL is an important tool to go along with encryption unlocking more creative possibilities with your data.
A programmable license will be in the file itself, not the token. You can do cool things with Arweave tags.
You can learn more about data licensing here.
Query On Chain Data
Tags are searchable with a GraphQL query. You can do a test query here to see for yourself. https://arweave-search.goldsky.com/graphql
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