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A Study on IPFS

IPFS is a concept that emerged during the hype of blockchain a few years ago. My understanding is that it allows you to store your files on the chain and access them using hash values. For example, a navigation page can be accessed using IPNS and IPFS.
IPNS can be understood as the DNS server within IPFS, used in conjunction with DNSLink. For example, _dnslink.dgtea.site points to the CID QmaPqMkMm2gzjyWvfw2t73cPZsopr5BWb1tGSrh8uzhaVE, so it can be directly accessed through the gateway: https://ipfs.io/ipns/dgtea.site/
The CID (file ID in IPFS) is QmaPqMkMm2gzjyWvfw2t73cPZsopr5BWb1tGSrh8uzhaVE.
After uploading a file, it needs to be pinned; otherwise, it may be lost. Pinning is like having a node keep your file.
You can use DNSLink to map it to a regular domain name, but it's not decentralized, not libre. My mistake, should it be used as a short link with an actual domain name?
And ENS (Ethereum Name Service) .eth domains cost $17 per year, which is too expensive for me.


That's all for now, I'll write the rest later.

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