Content Identifiers
developers.cloudflare.com
https://developers.cloudflare.com/distributed-web/ipfs-gateway/browsing-ipfs
Content addressing
For a deep dive into how Content Identifiers (CIDs) are constructed, take a look at ProtoSchool's tutorial on the . A content identifier, or CID, is a label used to point to material in IPFS. It doesn't indicate where the content is stored, but it forms a kind of address based on the content itself.
https://docs.ipfs.io/concepts/content-addressing/

