December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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IPFS
IPFS (InterPlanetary File System) is a decentralized filesystem. IPFS uses DHT (distributed hash table) and Merkle DAG (directed acyclic graph) data structures. It uses a protocol similar to BitTorrent to decide how to move data around the network. One of the advanced features of IPFS is that it supports file versioning. To achieve file versioning, it uses data structures similar to Git.
Although it called a decentralized filesystem, it doesn't adhere to a major property of a filesystem; that is, when we store something in a filesystem, it is guaranteed to be there until deleted. But IPFS doesn't work that way. Every node doesn't hold all files; it stores the files it needs. Therefore, if a file is less popular, then obviously many nodes ...
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