IPFS Storage: Introduction to Content-Addressing — Forge College

Why does IPFS matter for NFT metadata and decentralized apps? Content-addressed storage replaces fragile HTTP pointers with verifiable fingerprints, and understanding this shift is essential for secure, durable on-chain references.

What you'll learn
In this lesson you'll get a clear, technical foundation for ipfs-storage and how it differs from traditional HTTP hosting. We explain how a file's content becomes its address (CIDs), how IPFS splits and names data, and the peer-to-peer mechanisms peers use to announce and retrieve blocks. You will see a concrete connection to ERC-1155 token metadata URIs and learn what content-addressing means for immutability, verification, deduplication, and developer workflows. Finally, you'll learn mental models and practical persistence strategies (pinning, gateways, clusters) to reason about availability and tradeoffs.

Who this is for
Advanced learners who have built or studied smart contracts (for example ERC-1155) and want to reason rigorously about where token metadata and large assets should live. Prior familiarity with basic blockchain concepts is expected.

Key topics covered
- Content-addressing fundamentals and CIDs
- How IPFS names, chunks, and links data (blocks and DAG)
- Peer-to-peer file-sharing and lookup (peers, announcements, retrieval flow)
- Verification, immutability, and deduplication implications for token metadata
- Availability and persistence strategies: pinning, clusters, and gateways

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