The "SIGN coin" refers to a technical project in the world of digital currencies that focuses on digital verification and reputation on the blockchain. Recently, the topic of President Trump's signing of the paper currency has also emerged in the news.
The digital Sign coin project ($SIGN)
Main Function: It is the native coin of the Sign Protocol, a comprehensive verification system that allows users and developers to verify any data, certificates, or identities on-chain and validate them.
Goal: To build a "digital trust era" by providing tools for decentralized authentication and control over digital identities.
Market Data (as of March 29, 2026):
Ranking: It ranks number 266 in market capitalization according to CoinMarketCap.
Market Cap: Approximately 81.5 million US dollars.
Supply: The total maximum supply is 10 billion coins, with 1.64 billion coins currently in circulation.