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What is the Sign Protocol?

The term

"sign" in connection with Binance can refer to three different things: the official trademark (logo), the cryptocurrency "Sign Protocol" ($SIGN), or the registration process (Sign-in).

1. The Binance logo (Brand Sign)

The official symbol of Binance is a striking geometric design that carries deeper meanings for crypto trading:

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  • Form: Two overlapping squares within a larger square.

  • Symbolism: The overlapping small squares represent bids and asks in the order book; the intersection symbolizes a successful trade.

  • Color: The characteristic yellow (Hex: #F0B90B) represents optimism and innovation, while the black background conveys trust and seriousness.

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2. Sign Protocol ($SIGN) – Cryptocurrency

There is a specific project called Sign Protocol with the ticker symbol $SIGN, which is listed on Binance:

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  • Function: A decentralized protocol for on-chain attestations that makes digital identities and contracts verifiable.

  • Trading: $SIGN has been tradable on Binance since April 2025 (including against USDT, BNB, and EUR).

  • HODLer Airdrop: Binance rewarded BNB holders in 2025 with $SIGN tokens through the HODLer Airdrop program.

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3. Sign-in

If you are looking to log in, you can log in through the official Binance login page. Always use two-factor authentication (2FA) for maximum security.

Are you looking for the graphic download of the logo for a project or want to know how to buy the token?

Sign Protocol ($SIGN) and its role at Binance:

What is the Sign Protocol?

The Sign Protocol is an omni-chain infrastructure for attestations. It acts like a 'digital notary' on the blockchain, allowing users, companies, or governments to verifiably and tamper-proof document information.

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  • Purpose: Verification of identities, contracts, and proof of ownership without exposing sensitive raw data.

  • Technology: Utilizes zero-knowledge proofs to ensure privacy (e.g., proof of age without disclosing the birth date).

  • Network: It runs natively on over 30 blockchains (including Ethereum, Solana, BNB Chain, TON).

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The $SIGN Token

The native token is the heart of the ecosystem and was distributed to BNB holders in April 2025 through the Binance HODLer Airdrop program.

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  • Utility: Payment of transaction fees, governance participation, and rewards for staking.

  • Supply: The total supply is limited to 10 billion tokens.

  • Trading: The token is tradable on Binance in pairs like SIGN/USDT and SIGN/BNB.

Key Core Products

The ecosystem consists of four main components:

  1. Sign Protocol: The base protocol for the creation of on-chain proofs.

  2. TokenTable: A platform for the automated distribution of tokens (e.g., for airdrops or vesting plans).

  3. EthSign: A dApp for decentralized digital contracts.

  4. SignPass: A system for the registration and verification of digital identities.

Current Status (March 2026)

The project is increasingly being used for real-world applications, including by governments (e.g., in the UAE or Thailand) for digital identity systems. Critics are watching whether its use will remain sustainable without artificial incentives.

Do you want to know what your $SIGN looks like?

perfect as we are just getting started.🚀