IPFS: A Global CID
summary
Ethereum apps avoid on-chain bloat by storing images and documents on IPFS where content is addressed by CIDs that change if one byte changes, letting clients cryptographically verify files. Real costs motivate this: a simple contract deploy cost about $200 and wallet buy estimates ranged $50–$1,200. Pinata provides a pinning API, free 1 GB tier, dedicated nodes and gateways used by over 10,000 developers, and the main operational gap is defining who pays to keep CIDs hosted — run your own node or pay a pinning service.
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chapters (15)
- 0:00Intro
- 1:17Smart Contracts
- 2:30Offchain Data
- 4:06CID
- 4:37Accessing Data
- 5:22Trusting Data
- 5:37The CID
- 7:06IPFS and Ethereum
- 7:23NFTs
- 8:50IPFS Gateway
- 9:38Legal Document Example
- 10:36Who is Responsible for Data
- 11:59NFT Example
- 13:43Pinata
- 14:28Conclusion
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