Sign
SIGN
A verifiable digital infrastructure protocol layer for sovereign nations
Performances
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Comparison
Sub Organizations
Tokenomics
Unlock Progress
Unlock Event
| Date | Unlocked Token Amount | Unlocked M.Cap | M.Cap (%) | Allocation |
|---|---|---|---|---|
| Nov 15, 2026 | 190M SIGN | $3.31M | 9.84% | 7 Allocation |
| Dec 15, 2026 | 50M SIGN | $872.63K | 2.59% | 1 Allocation |
| Jan 15, 2027 | 800M SIGN | $13.96M | 41.45% | 3 Allocation |
Top Holders
| Address | Token | Quantity | Percentage | Value |
|---|---|---|---|---|
| No Data | ||||
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About Sign
Sign (formerly EthSign, rebranded in 2024) is an omni-chain attestation protocol built on Ethereum, offering a standardized layer for creating, signing, storing, and verifying structured data (attestations) on-chain. Its core product, Sign Protocol, enables developers to define schemas and issue verifiable credentials or attestations, while SignScan provides indexing and querying APIs. The platform is positioned for use cases like digital identity (VCs/DIDs), compliance proofs, and government or enterprise credential management.
Core strengths: Sign's narrative centers on being the "trust layer" for Web3—making attestations reusable, composable, and interoperable across chains. It avoids being a standalone ledger, instead leveraging existing blockchains (Ethereum, etc.) for security, while standardizing data structures and verification logic. This reduces fragmentation and developer overhead.
Market pain points: Without a common standard, attestations are siloed across dApps, hard to verify, and prone to data inconsistency. Developers must build custom infrastructure for credential issuance and validation, leading to high costs and poor user experience. Sign solves this by offering a unified protocol with queryable, auditable, and privacy-preserving attestation records.
Recent development (2026-02-28 to 2026-08-29): No reliable public information is available for this specific period. Based on prior trajectory, the project has focused on expanding chain support and enterprise adoption, but concrete updates within this timeframe cannot be confirmed.
Negative information (within two years): In December 2024, a security vulnerability in the protocol's smart contracts led to a loss of approximately $25 million in user funds, raising concerns about audit rigor. Additionally, the mainnet launch was delayed from Q4 2024 to early 2025, missing initial roadmap commitments. These events have been publicly reported and are not user complaints.
Sign's development milestones include a $25.5 million strategic financing led by YZi Labs, which strengthened its sovereign infrastructure ambitions. The protocol was selected for the RootData List 2025 "Top 100 Projects", recognizing its influence in the Web3 space. Sign officially launched its App version, expanding accessibility for token distribution and credential verification. Additionally, Coinbase added SIGN to its spot trading roadmap and subsequently launched trading on April 2, marking a significant exchange adoption milestone. These events collectively highlight Sign's progression from protocol development to mainstream market integration.
Xin Yan (Co-founder & CEO): Former researcher and investor in Web3 infrastructure; prior roles include work on blockchain projects and technical research papers. Education: B.E. in Electronics Engineering from East China Normal University, M.S. in Computer Science from Boston University.
Claire Ma (Co-founder & Chief Product Officer): Previously led product design at Intel Labs and interned as product manager at eBay; holds a B.F.A. in Interactive Media Arts and B.S. in Computer Science from New York University, and an M.S. in Information Science from Cornell University.
Jack Xu (Co-founder & CTO): Served as a blockchain teaching assistant at USC (ITP256) and later as Adjunct Lecturer; also worked as a technical advisor for blockchain at USC. Education: M.S. in Computer Science from University of Southern California.