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content-addressable-hash [ noun ]

glossary term · license Apache-2.0 · 1020 characters · the original · source wot-terms

content-addressable-hash [ noun ]

Definition

Finding content by a hash of this content, generated by a one-way hash function applied to the content.

Content addressing is a way to find data in a network using its content rather than its location. The way we do is by taking the content of the content and hashing it. Try uploading an image to IPFS and get the hash using the below button.

Content Addressable Storage

Content Addressable Storage systems work by passing the content of the file through a cryptographic hash function to generate a unique key, the "content address". The file system's directory stores these addresses and a pointer to the physical storage of the content. Because an attempt to store the same file will generate the same key, CAS systems ensure that the files within them are unique, and because changing the file will result in a new key, CAS systems provide assurance that the file is unchanged.

IPFS

In the IPFS ecosystem, this hash is called Content Identifier, or CID.

KERI Suite Glossary, https://weboftrust.github.io/WOT-terms/docs/glossary/content-addressable-hash. Licensed under the Apache License 2.0; the license and any notices are in the repository. Found through KERISSE. The abstract, the level and the labels on the catalog entry are the KERISuite Knowledge Base's own, CC BY 4.0.