Authentication Layer for Web3 and Governments
Sign Protocol is a full-chain authentication infrastructure designed to serve as the digital backbone for governments and decentralized applications. It enables identity verification, proof of ownership, and contract validation—critical elements for a secure and scalable digital economy.
TokenTable: Smarter Token Distribution
Alongside authentication, Sign introduced TokenTable, a smart contract–based platform that simplifies airdrops, vesting schedules, and token unlocking. This creates transparency and efficiency for projects managing their token economies.
Funding and Backing
Sign has attracted strong investor confidence, raising $32 million to date:
2022 Seed Round: $14M led by Sequoia Capital (across US, China, India, and Southeast Asia branches).
2025 Series A: $16M led by YZi Labs.
Such backing places Sign among the better-funded Web3 infrastructure projects.
Real-World Integration
Unlike many blockchain ventures still in experimental phases, Sign is already powering national-level digital infrastructure in countries such as:
UAE
Thailand
Sierra Leone
Expansion is planned across Barbados, Singapore, and 20+ more nations. This level of adoption highlights its credibility and scalability.
Revenue Milestone
In 2024, Sign generated $15 million in revenue, positioning itself as one of the rare Web3 infrastructure providers achieving profitability at scale.
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