Solo
Privacy-preserving Web3 identity verification protocol based on zkHE
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About Solo
Solo builds proof-of-humanity infrastructure for the AI era, centred on a one-person-one-account model on its own SoloChain Layer 2, serving dApps, incentive distributions, DePIN networks and AI data-labelling markets that need to exclude bots and sybil accounts. It targets two failures: captchas that models now solve, and KYC systems that concentrate biometric data into a hackable store. Face data is processed on-device and matched through zkFHE, a combination of zero-knowledge proofs and homomorphic encryption, so only a pass or fail reaches the chain and raw biometrics are never stored.
Its differentiator is mid-session re-verification: platforms set time-based, action-based or random triggers, a failed or missing check logs the session out, and each event writes a timestamped attestation onchain. In the first half of 2026 SoloMission went live with an open API, letting AI agents pay verified humans for tasks; the team also joined the proof-of-humanity panel at Consensus 2026 and entered a Solana ecosystem incubator. Disclosed partners include GEODNET, Perle AI, Sapien, Synesis One and PublicAI.
Solo's key advances in the past six months (2026-03-01 to 2026-09-01) center on the finalization of ERC-8126, a standard for AI agent verification, which positions Solo as a foundational layer for on-chain identity. The platform also validated its zkHE architecture through public benchmarks: proof size ~200 bytes, on-chain verification in 30-70ms, and full local computation on mid-range devices in 2-4 seconds, confirming feasibility for high-frequency interactions.
Partnerships expanded across verticals—Kiva.ai, Sapien, PublicAI, Synesis One, Hive3, and GEODNET—covering data annotation, DePIN, and SocialFi, providing real-world feedback loops for model calibration. Solo also reserved compliance interfaces, including optional bridges to DID/KYC systems and anchoring to Layer1 networks, targeting regulated markets while preserving privacy.
Official roadmap priorities: (1) solidify ERC-8126 as the industry reference for agent identity; (2) scale the 1P1A (One Person, One Account) primitive as a public good; (3) launch a developer toolkit for integrating zkHE-based proofs; (4) pursue enterprise pilots in financial services and AI data markets; (5) advance toward a decentralized validator network for attestation. No token or mainnet timeline was disclosed.
Edison Siu — Co-founder & CEO; studied at Yale School of Management and dropped out to build Solo full time.
Stephen Wang — Co-founder & CTO; PhD in Information Engineering from CUHK, early contributor to the Ethereum Foundation.
Sissi Wu — Head of AI; PhD in Electronic Engineering from CUHK.