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Results tagged with ipfs
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user 4108
IPFS (the InterPlanetary File System) is a new hypermedia distribution protocol, addressed by content and identities. IPFS enables the creation of completely distributed applications. It aims to make the web faster, safer, and more open.
4
votes
ipfs daemon error?
IPFS daemon exposes by default three services on three different ports:
4001 peer2p which allows to join the network
5001 API server serving the full API (see documentation)
8080 Gateway server exposing … :8080: bind: address already in use means that IPFS daemon can't start the gateway because you already have something running on this port. …
- 7,247
3
votes
Accepted
I am new to IPFS. Is there any need for checking where the IPFS file originates from for sec...
You can't find where a file comes from on IPFS. … However, when you add a file to IPFS through your IPFS node like this:
$ ipfs add ~/helloworld.txt
added QmWATWQ7fVPP2EFGu71UkfnqhYXDYH566qy47CnJDgvs8u helloworld.txt
The file is automatically pinned …
- 7,247
2
votes
Inspecting IPFS files
Is it possible to store / catalogue every file which is being published over IPFS ?
I like to use IPLD (IPFS Linked Data) to link IPFS files together. … Let's create and store 3 files on IPFS
$ echo "hello world 1" > helloworld1.txt
$ ipfs add helloworld1.txt
added QmWyRPTS2QnuvkKepR2DTqo5uRbyRt62wpudkskYsxG7Di helloworld1.txt
$ echo "hello world 2" …
- 7,247
0
votes
Accepted
getting error while generating key after uploading file into IPFS infura
Infura IPFS service only allows a small set of IPFS API methods through their Gateway so you cannot generate a key via ipfs.key.gen
See Infura Documentation
I would recommend to run your own IPFS …
- 7,247
9
votes
Accepted
How much does it cost to store each IPFS hash in Ethereum blockchain
You want to store an IPFS hash (or Multihash) (or CID) like QmWATWQ7fVPP2EFGu71UkfnqhYXDYH566qy47CnJDgvs8u in a smart contract
First: Read this to understand multihash
Here is three solutions to … store an IPFS hash with the gas cost associated. …
- 7,247
1
vote
dApp Tech Stack
Why using IPFS if you want to keep your content private and restricted to your backend middleware only ? Just use a normal database with access control. … IPFS is meant to distribute and share public content efficiently across a peer2p network. …
- 7,247
6
votes
Accepted
IPFS versioning - How to get all files from the IPFS key?
: /ipfs/zdpuAvKvo6QuvQnwtwYhQrsG82iwgGH4bxZpvKY4hrPuKWxaj
$ ipfs dag get $(ipfs name resolve QmPU6xFfHykL7HBNbckzB9pCCeVFUx2HD4KxvkQmcYAV6a)/version1/author
"greg"
$ ipfs cat $(ipfs name resolve QmPU6xFfHykL7HBNbckzB9pCCeVFUx2HD4KxvkQmcYAV6a … )/version1/content
first version
$ ipfs dag get $(ipfs name resolve QmPU6xFfHykL7HBNbckzB9pCCeVFUx2HD4KxvkQmcYAV6a)/version2/author
"mani2020"
$ ipfs cat $(ipfs name resolve QmPU6xFfHykL7HBNbckzB9pCCeVFUx2HD4KxvkQmcYAV6a …
- 7,247
1
vote
Accepted
Store and retrieve data of MongoDb documents using hash which is stored in blockchain
I recently build a tool to store, index and search content on IPFS called IPFS-Store and I'm using my tool to store and index JSON document (MongoDB style) but you an use it to index any type of content … to store on IPFS", "attribute2": "val2", "attribute3": 10}'
I'm planning to provide support for SWARM in the future. …
- 7,247
4
votes
Accepted
How to store hash of an Excel file in Blockchain?
You can convert your file in base64 and calculate the hash of the string sequence. You need to perform this operation off-chain before submitting the transaction to the smart contract.
For example in …
- 7,247