Glossary

CAR

Content Addressable aRchive. A file format which can store many CIDs and their content in one file (like TAR). See also CARv1 Specification.

CID

Content IDentifier. A label to identify content, based on a cryptographic hash. The referenced content thus becomes immutable and verifiable. See also What is a CID?.

IPFS

A decentralized system for retrieving content addressed data. See also What is IPFS?, and IPFS@ORCESTRA.

pinning

A method to tell an IPFS node that it should retrieve and keep the content behind a CID. See also Pinning.

pinning service

A service running an IPFS node (usually at a well-connected place) and offers pinning to other users. See also Pinning service.