I have already invested some amount in it, Token's use cases are looking good making token stand out in Future, looking forward to it.

Binance Announced SIGN protocol Airdrop for BNB Holders. This airdrop offers a chance for BNB holders to receive tokens participating in Binance’s Simple Earn products.
Since the token is now listed on Binance so let’s explore $SIGN
What is Sign Protocol?
Sign Protocol offers a suite of tools, infrastructure, and standards to create a future where all claims and assertions on the web and the world around us are driven by verifiable attestations. It does this by leveraging modern technologies, such as decentralized blockchains and data storage solutions, along with novel techniques such as the use of zero-knowledge cryptography and digital signatures. 
Sign is the global infrastructure for credential verification and token distribution.
Sign Token Usecase
SIGN is a native utility token and is used in the following functions:
Universal Utility: Sign powers all Sign protocols, applications, and ecosystem initiatives as the backbone of its onchain infrastructure.Global Community Currency: Community can earn stake, spend, and create new utilities around SIGN, making it the heartbeat of our economic and social layers.Holding for Alignment: Sign holders who exemplify long-term commitment and active participation can shape the strategic direction of the ecosystem in the long run. DAO GovernanceSupports decentralized decision making processes by providing verifiable voting mechanisms.Token DistributionStreamlines token airdrops and vesting processes via TokenTable, handling over $4 billion in token distributions to more than 40 million addresses.
How Sign Protocol Works?
Sign Protocol is the infrastructure that powers the following applications: 
EthSign

The first onchain e-signature dApp. EthSign is bringing trust to trustless networks by connecting real-world legal agreements and decentralized identities. They provide the same functionality, user experience, and legal validity as Web 2.0 e-signing platforms while leveraging the power of public blockchains to enhance transparency and security. Users can upload documents, create signing fields, customize annotation objects like text fields and checkboxes, invite co-signers, track signing status, download documents, and view events of the entire agreement lifecycle.
TokenTable
The leading token distribution platform. TokenTable, developed by Sign, is a suite of on chain token distribution products designed to streamline token ownership registration and distribution through smart contracts.
SignPass
The onchain identity registration and verification system
SignPass is a digital infrastructure for identity registration and verification using blockchain technology. Designed to accommodate various needs from citizenship and visas for sovereign nations to membership and ticketing systems for clubs and communities, SignPass offers a secure, efficient, and scalable solution for digital identity management, aiming to enhance trust and streamline administrative processes for governments and organizations worldwide.
Technical Infrastructure
Sign Protocol consists of numerous components and subsystems that work together to deliver the best experience for both regular users and experienced developers.

TokenTable
TokenTable is the swiss army knife of token distributions, covering all use cases ranging from investor and team vesting to social media gated multichain airdrops, available on EVM, Starknet, Solana, TON, and Move VM. This is made possible by different underlying architectures

Unlocker
A fully onchain and trustless token unlocking solution, allowing for freely configurable unlocking schedules and extensible via hooks.

Sign Protocol Tokenomics
Token Name: Sign (SIGN)Genesis Total Token Supply: 10,000,000,000 SIGN Max Token Supply: 10,000,000,000 SIGN
Circulating Supply upon Listing on Binance: 1,200,000,000 SIGN (12.00% of total token supply)
Token Distribution

Token Release Schedule

Binance Hodler Airdrop
Sign token was also shared with the Users who subscribed their BNB to Simple Earn (Flexible and/or Locked) and/or On-Chain Yields products from 2025-04-15 00:00 (UTC) to 2025-04-19 23:59 (UTC) got the airdrops distribution.
If you haven’t done so already, it’s too late to join - however, you can join BNB staking now to qualify for future airdrops.
Check out BNB simple Earn products Here 👇
BNB Simple Earn 👈
This is what the Sign protocol is all about, most importantly where Sign token will be used. Your feedback will be highly appreciated.