DKG

OriginTrail’s Decentralized Knowledge Graph (DKG) is a decentralized graph database that stores verified data on the blockchain. It’s used by Truthchain to store verified data.

Data that is stored to DKG

Parameter	Type	Description
@context	string	The context of the Snippet.
@id	string	The Truthchain Snippet URL containing UUID
@type	string	“TruthchainSnippet” is used by default
title	string	The title of the Snippet.
content	string	The content of the Snippet.
source	string	The source of the Snippet.
verified	boolean	Whether the Snippet is verified.
createdBy	object	The user that created the Snippet.
createdBy.@type	string	“TruthchainUser” is used by default
createdBy.publicAddress	string	The public address of the user that created the Snippet.
verifiedBy	array	The verifier that verified the Snippet.
verifiedBy.@type	string	“TruthchainVerifier” is used by default
verifiedBy.name	string	The name of the verifier.
verifiedBy.verified	boolean	Whether the verifier verified the Snippet.

Example JSON

{
    '@context': 'https://schema.org',
    '@id': 'https://truthchain.dev/snippets/ac3edf4e-0b0a-4b0e-8b0a-4b0e8b0a4b0e',
    '@type': 'TruthchainSnippet',
    'title': 'Fund your v6 testnet node',
    'content': 'OriginTrail v6 testnet nodes operate on the OriginTrail Parachain testnet, and therefore operate with test tokens. For a node to be operational, it requires OTP and TRAC test tokens for OTP testnet',
    'source': 'https://docs.origintrail.io/decentralized-knowledge-graph-layer-2/node-setup-instructions/fund-your-v6-testnet-node',
    'verified': true,
    'createdBy': {
        '@type': 'User',
        'publicAddress': '0x1234567890',
    },
    'verifiedBy': [
        {
            '@type': 'TruthchainVerifier',
            'name': 'web-scraper',
            'verified': true
        },
        {
            '@type': 'TruthchainVerifier',
            'name': 'social-media-verifier',
            'verified': false
        },
        {
            '@type': 'TruthchainVerifier',
            'name': 'youtube-verifier',
            'verified': true
        }
    ]

}

Learn more about DKG here.