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What is Sign?

Sign (ticker: SIGN) is the native token of Sign Protocol, a decentralized omnichain attestation infrastructure designed to make digital signatures, credentials, and verifiable claims portable across blockchains. Originally incubated as EthSign in 2021 by co-founders Xin Yan and Jack Xu, the project rebranded and expanded its scope to become Sign Protocol, positioning itself as the 'notary of the internet' for Web3 identity, governance, and compliance use cases.

The protocol allows any user, application, or institution to issue, verify, and revoke attestations on-chain in a trustless manner, supporting major ecosystems including Ethereum, Arbitrum, Base, BNB Chain, and several Layer 2s. Sign's flagship products include EthSign (a decentralized e-signature dApp), TokenTable (a token distribution and vesting platform used by dozens of Web3 projects), and SignPass, an on-chain identity primitive.

TokenTable alone has been used to distribute billions of dollars in token allocations for projects such as Merlin Chain, Manta Network, and zkLink, giving Sign significant real-world traction before its token launch. The SIGN token went live in April 2025 via a Binance Launchpool campaign, distributing a portion of supply to BNB and FDUSD stakers and listing across major exchanges on day one.

The project has attracted notable backers including Sequoia China (HongShan), Mirana Ventures, YZi Labs (formerly Binance Labs), and several sovereign-linked funds, with reports of partnerships with government entities exploring blockchain-based identity and citizen services in jurisdictions such as Sierra Leone and parts of the Middle East. The ecosystem operates the Sign Global Citizenship initiative, which aims to bring verifiable credentials to underbanked populations and remote workers.

Controversies around the project have been limited, though early community discussion focused on the concentration of token distribution among early backers and the fairness of airdrop allocations following the Token Generation Event. As of its current state, Sign Protocol continues expanding its attestation schema registry, integrating with zero-knowledge proof frameworks, and adding chains to its omnichain verifier network.

Competitors in the broader attestation space include EAS (Ethereum Attestation Service) and Verax, but Sign differentiates itself through cross-chain reach, enterprise tooling, and a consumer-facing token distribution product that generates recurring fee revenue. The team is headquartered between Silicon Valley and Singapore, with engineering contributors across Asia and Europe.

SIGN tokens are used for governance, protocol fee payments, staking for validator-attestors, and ecosystem incentives. Trading activity for SIGN is concentrated on Binance, Bybit, and Upbit, with meaningful liquidity on decentralized venues such as Uniswap and PancakeSwap. Price discovery post-launch has been volatile, typical of new large-cap listings, and investors should consult live data sources for current market capitalization, fully diluted valuation, and circulating supply.

Sign's long-term thesis rests on the premise that verifiable, portable attestations will become foundational infrastructure for Web3 identity, DAO governance, regulated finance, and real-world-asset tokenization — a sector analysts broadly expect to expand as institutional adoption of blockchain settlement grows.

Key Features of Sign

• Omnichain Attestation Layer: Sign Protocol issues attestations that are natively portable across Ethereum, Arbitrum, Base, BNB Chain, and other supported networks without requiring bridges or wrapped representations. This eliminates siloed identity data and allows a single credential to be verified anywhere in the multi-chain ecosystem.
• Decentralized Data Ownership: Users retain cryptographic control of their credentials, signatures, and personal attestations through self-custodied wallets rather than centralized databases. Revocation, delegation, and selective disclosure are handled on-chain, giving individuals true sovereignty over their verified information.
• TokenTable Distribution Engine: The protocol powers TokenTable, one of the most widely used token vesting and airdrop distribution platforms in Web3. It handles complex unlock schedules, compliance checks, and multi-chain claiming, generating real protocol fees that flow back into the SIGN ecosystem.
• Privacy-Preserving Verification: Sign integrates zero-knowledge proof frameworks so users can prove attributes — such as KYC status, age, or residency — without revealing underlying personal data. This is particularly valuable for regulated DeFi, compliant stablecoin issuance, and cross-border identity use cases.
• On-Chain Audit Trails: Every attestation, signature, and revocation is recorded immutably, creating tamper-evident histories suitable for legal, regulatory, and enterprise audit workflows. Organizations can build compliance-ready document flows that are cheaper and more verifiable than traditional notary services.

Sign Use Cases

• Decentralized E-Signatures: Through EthSign, individuals and companies can sign contracts, NDAs, and agreements with cryptographic proof of consent stored on-chain. This provides legally meaningful evidence of agreement without relying on centralized providers like DocuSign.
• Token Vesting and Airdrops: Web3 projects use TokenTable to manage investor unlocks, team vesting, and community airdrops across multiple chains. The platform has distributed billions in token value and is a trusted infrastructure layer for TGEs and post-launch distributions.
• Verifiable Digital Identity: SignPass and Sign Global Citizenship enable individuals to hold portable, verifiable credentials covering KYC, citizenship, education, and professional certifications. This is being piloted by governments and NGOs to serve populations lacking traditional identity documentation.
• DAO Governance and Voting: DAOs can issue membership attestations and gate voting power based on on-chain credentials rather than raw token balances, mitigating Sybil attacks and whale dominance. This supports more nuanced governance models aligned with long-term contributor reputation.
• Compliant RWA Tokenization: Real-world-asset issuers use Sign attestations to bind investor accreditation, jurisdictional eligibility, and transfer restrictions directly to on-chain assets. This allows regulated securities and tokenized funds to operate natively on public blockchains without compromising compliance.

Sign Tokenomics

Total Supply

SIGN has a maximum supply of 10,000,000,000 (10 billion) tokens as established at the Token Generation Event in April 2025. Allocations are distributed among community incentives, ecosystem growth, the core team, early investors, and the Binance Launchpool campaign.

Circulating

Initial circulating supply at launch was approximately 1.2 billion SIGN, representing roughly 12% of total supply, with additional unlocks scheduled over subsequent years.

Utility

SIGN is used for protocol governance, payment of attestation and TokenTable service fees, staking by attestors and validators, and distribution of ecosystem incentives. Holders can participate in decisions over schema standards, fee parameters, and treasury allocations.

Emission

Token unlocks follow a multi-year vesting schedule with cliffs and linear releases for team, investor, and ecosystem tranches, typically extending 36–48 months from TGE. Community and airdrop allocations unlocked earlier, while insider allocations remain locked well into 2026 and beyond.

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