Clear DefinitionsIPFS Pinning Service
1 min read
Pronunciation
[eye-pea-efs pin-ning ser-vis]
Analogy
Like reserving a locker in a public storage facility to ensure your belongings remain accessible.
Definition
A service that holds (pins) IPFS content on dedicated nodes to guarantee availability and persistence of specified CIDs, preventing garbage collection.
Key Points Intro
Pinning services maintain persistent storage for IPFS-hosted content.
Key Points
Pin API: Add, remove, list pinned CIDs.
Replication: Store content across multiple geographic nodes.
Monitoring: Health checks and automatic re-pinning.
Access control: Private pins with authentication.
Example
A dApp uses Pinata to pin its smart contract metadata JSON on IPFS, ensuring NFTs always resolve correctly.
Technical Deep Dive
Pinning node runs IPFS daemon with `--enable-gc=false` for pinned blocks. Service API triggers `ipfs pin add ` and replication via pub/sub. Metrics exported via Prometheus.
Security Warning
Third‑party pinning introduces trust; consider self‑hosting or signed content.
Caveat
Pinning costs scale with data size; manage pinset to control expenses.
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