IPFS stands for InterPlanetary File System. The term may sound like something from a sci-fi book, but it’s really a more decentralized way to store and share data on the internet. To get a better idea of IPFS, consider the regular web to be a big library where companies like Google and Amazon keep books and files, like photos, videos, and documents, on their central servers. If those servers fail or get locked, you can’t access the books. This is called location-based addressing.
To make it even easier to understand, each piece of data in IPFS has its own unique fingerprint, which is called a hash. IPFS finds anyone on the network who has a copy of that unique fingerprint and gets it for you when demanded. So if you want a specific photo, IPFS finds anyone on the network who has a copy of that unique fingerprint and retrieves it from them. This is called content-based addressing.
IPFS is like a hard drive for decentralized apps on a blockchain. Blockchains like Ethereum are good at securely recording transactions, but they have trouble storing big files because they tend to get bigger and slow down the network. IPFS does the hard work to stop that from happening. It’s cost-effective, as peers share bandwidth. And it’s tamper-proof, which means that changing a file changes its address, and so fakes can be spotted easily.
For example, decentralized apps like social platforms or Web3 projects use IPFS to store user posts; this ensures that they’re always available. Filecoin is a crypto project that pays people to store files on IPFS, it’s like an Airbnb for data storage. Overall, IPFS makes crypto more practical, turning the entire world’s spare storage into one giant, permanent library that no one person owns.
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