Data2.cash

$434.84 crowdfunded from 231 people

$907.76 received from matching pools

53%
average score over 3 application evaluations
A blockchain-based protocol that enables individuals to sell anonymized, aggregated web2 and web3 data using zero-knowledge proofs while maintaining privacy and earning cashback.

Description Data2.cash is a user data assets trading protocol that allows individuals to aggregate web2 and web3 data, creating anonymous profiles on the blockchain using zero-knowledge proofs, and selling the rights to use their data while maintaining privacy.

Data2.cash supports multiple uses of user data, with the first application being a precise marketing platform. Web3 projects can select desired tags and send specific promotions to users via email/Telegram, etc. Users receive cashback for providing their data when they receive

Components

Personal Data Vault(PDV): Users can import their web2 and web3 accounts into a personal data vault, generate zero-knowledge proof tags, and link these tags to a public account. Users can create an anonymous profile through their PDV. They can control their data, choose which tags to show or hide, and see the earnings from each use of their data.

Data Exchange: The data exchange allows developers to pay for queries of on-chain anonymous user profiles, in a fully permissionless way. The authenticity of these tags is guaranteed by zero-knowledge proofs.

End-to-End Channel: Each anonymous profile has an end-to-end channel with its owner, meaning messages sent to the anonymous profile directly reach the owner.

Precise Advertising Platform: Connected to the data exchange, companies can customize tags for their target users in the advertiser center, find users with these tags, and distribute exclusive offers through the end-to-end channel.

Data2.cash History

  • accepted into Web3 Social 10 months ago. 155 people contributed $239 to the project, and $175 of match funding was provided.
  • accepted into Web3 Social 1 year ago. 54 people contributed $64 to the project, and $631 of match funding was provided.
  • accepted into Global Chinese Community for Public Goods - GR18 1 year ago. 22 people contributed $132 to the project, and $102 of match funding was provided.

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KarlaGod leads a not-for-profit teaching web3 and blockchain at universities, actively contributing to Gitcoin by educating on Gitcoin Passport, creating tutorials, moderating, and advocating for public goods with music. Plans to develop an EduFi dApp.
Izzy from Greenpill Nigeria facilitates resource allocation using Gitcoin products, supporting educational programs, promotional activities, operational management, and governance contributions within the Gitcoin ecosystem.