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About Rarimo
Rarimo is a zero-knowledge identity protocol whose core move is turning a biometric passport into a reusable credential: a phone reads the government signature in the passport's NFC chip, builds a proof locally, and outputs only conclusions such as being over 18, holding a given citizenship or not appearing on a sanctions list, while the document and face never leave the device. On-chain, ERC-7812 ZK Registries store commitments rather than personal data, and multiple parties can write to and verify the same registry for uniqueness, access gating and voting.
Three products carry it: ZK Passport for document checks, Bionetta for on-device zero-knowledge machine learning that handles liveness and face matching, and Freedom Tool, which proves voting eligibility with a passport and writes ballots on-chain. Users are organisations that need anonymity with one-person-one-vote guarantees; Russian opposition groups, Iranian and Georgian activists have run votes on it, while institutions use it for KYC and age gating. Coverage depends on whether a passport carries an NFC chip, leaving a few jurisdictions unable to connect.
Rarimo's key milestones include: 1) Launching passport-based ZK proofs, enabling users to self-issue identities stored locally on their phones and generate zero-knowledge proofs without third parties. This was battle-tested during the Russian elections, where it survived Kremlin attacks and was used for anonymous voting in Russia, Iran, and Georgia. 2) Closing a $2.5 million Vision Round in December 2024, with participation from Vitalik Buterin, Celestia's Nick White, Aztec's Zac Williamson, and other founders of leading chains and ZK protocols. This founder-only round was designed to unite leaders around a shared vision for private, user-owned digital identity. 3) Announcing the launch of Rarimo as a ZK roll-up on Ethereum in Q1 2025, expanding from passport ZKPs to private social graphs and ZK reputation experiments.
Rarimo's 2026 work concentrated on making passport proofs reusable. A user reads the passport chip over NFC, generates a zero-knowledge proof locally and writes the hash into an on-chain Merkle tree, after which any application only needs a proof of inclusion to confirm age, citizenship or uniqueness without re-verifying the issuer signature; registration offers full and light verification modes that switch automatically with phone performance.
On engineering, Rarimo's circuits moved from Circom to Noir, removing per-circuit trusted setups, shrinking download sizes and stabilising mobile proving, while identity state is held in registry contracts and replicated on demand to any EVM network through cross-chain messaging. The application layer remains Freedom Tool for anonymous voting and petitions and RariMe for seedless wallet and identity management, both sharing the same passport proofs.
Rarimo's emphasis after 2026 is biometric binding, using zero-knowledge machine learning to close the gap of proving a passport belongs to its holder and curbing identity rental and theft, alongside broader passport coverage and replication to more chains for airdrop sybil resistance, aid distribution and compliant age checks.
Lasha Antadze — Founder; leads Rarimo, a ZK-based decentralized identity and privacy protocol (products include Freedom Tool and zkPassport).