Service
Blockchain Development for Data Marketplace Platforms
contract DataMarketplace { struct DataListing { address dataOwner; bytes32 dataHash; // Hash of the encrypted data (off-chain) uint256 price; string dataType; // "CONSUMER_SURVEY", "IOT_SENSOR", "LOCATION_HISTORY" uint256 accessCount; bool active; } mapping(bytes32 => DataListing) public listings; mapping(bytes32 => ma...
Common integrations: The Graph, Alchemy/Infura, OpenZeppelin Defender, and popular wallet providers.
Clarify requirements, compliance needs, architecture risks, and launch goals.
Implement core contracts, integrations, product flows, tests, and deployment automation.
Run QA, prepare audit handoff, deploy infrastructure, and support production rollout.
The data listing stores a hash of the encrypted dataset (proving what will be delivered). After purchase, the data owner (or a key escrow system) provides the decryption key to the verified purchaser. Production implementations use Lit Protocol (decentralized threshold encryption) so neither the seller's server nor any single party needs to manually release keys.
Schedule a discovery call and receive a tailored scope and estimate. No commitment required.