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Difference between revisions of "IPFS"
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| − | IPFS | + | <!-- NOTICE: You may copy the contents from IPFS Github readme. --> |
| + | {{stub}} | ||
| − | IPFS is a | + | IPFS ('''I'''nter'''P'''lanetary '''F'''ile '''S'''ystem) is a content-addressed distributed file system. IPFS is also a catch-all phrase for a variety of inter-related projects maintained by Protocol Labs. The goal of IPFS is to replace HTTP as the dominate hypermedia protocol on the internet. |
| + | |||
| + | [[File:stallman.jpg|thumb|This Stallman pic has the following IPFS multihash: QmbtzK4j3Qa9RvLkP3K4dYoptdopY181QL96deHtvYuX4h.]] | ||
| + | |||
| + | === The IPFS Stack === | ||
| + | * IPFS | ||
| + | * Multiformats | ||
| + | **Multihash - self-describing hashes | ||
| + | **Multiaddr - self-describing network addresses | ||
| + | **Multibase - self-describing base encodings | ||
| + | **Multicodec - self-describing serialization | ||
| + | **Multistream - self-describing stream network protocols | ||
| + | **Multigram (WIP) - self-describing packet network protocols | ||
| + | * IPLD - Abstract Data Model | ||
| + | * libp2p - Networking and Peer Discovery | ||
| + | * Filecoin - Incentive Layer | ||
| + | |||
| + | "Hey pal, what are you pulling here, huh? Multi-what?" may be what you're saying. | ||
| + | |||
| + | IPFS uses multihashes to address data. The hash addresses it's own hash algorithm. | ||
| + | |||
| + | The first two digits of a multihash identify the hash algorithm. IPFS uses {{ic|SHA256}} which is represented as {{ic|Qm}}. The rest of a multihash is not simply the output of SHA-256. Try it yourself, it's not. | ||
| + | |||
| + | There's a lot of chunking, hashing, and other magic going on behind the scenes. The end result is you get something that looks like this {{ic|QmRW3V9znzFW9M5FYbitSEvd5dQr}} which is a multihash. | ||
| + | |||
| + | |||
| + | Multiformats, libp2p and IPLD are separate projects from IPFS that can be used independently of IPFS. | ||
== External links == | == External links == | ||
Latest revision as of 03:01, 25 February 2019
This dongle is a IPFS (InterPlanetary File System) is a content-addressed distributed file system. IPFS is also a catch-all phrase for a variety of inter-related projects maintained by Protocol Labs. The goal of IPFS is to replace HTTP as the dominate hypermedia protocol on the internet.
The IPFS Stack
- IPFS
- Multiformats
- Multihash - self-describing hashes
- Multiaddr - self-describing network addresses
- Multibase - self-describing base encodings
- Multicodec - self-describing serialization
- Multistream - self-describing stream network protocols
- Multigram (WIP) - self-describing packet network protocols
- IPLD - Abstract Data Model
- libp2p - Networking and Peer Discovery
- Filecoin - Incentive Layer
"Hey pal, what are you pulling here, huh? Multi-what?" may be what you're saying.
IPFS uses multihashes to address data. The hash addresses it's own hash algorithm.
The first two digits of a multihash identify the hash algorithm. IPFS uses SHA256 which is represented as Qm. The rest of a multihash is not simply the output of SHA-256. Try it yourself, it's not.
There's a lot of chunking, hashing, and other magic going on behind the scenes. The end result is you get something that looks like this QmRW3V9znzFW9M5FYbitSEvd5dQr which is a multihash.
Multiformats, libp2p and IPLD are separate projects from IPFS that can be used independently of IPFS.
