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Social VANA http://vana.org/
Vana is a user-owned data network built on blockchain, enabling data portability, privacy, and monetization. Users run Personal Servers to collect, encrypt, and store data; only ciphertext is stored on chosen backends, while metadata and permissions are recorded on-chain. Users grant access via on-chain grants, and builders access data through Data Liquidity Pools (DLPs). Proof of Contribution (PoC) validates data contributions, rewarding contributors. Vana provides an EVM-compatible chain for data registration, permission management, and querying. Developers can create DLPs with custom validation rules, and users earn tokens for contributing data. Data processing occurs in TEEs for privacy.