Card3

Web3·card3.ai

About Card3

Card3 is an AI-powered digital business card platform that combines NFC-enabled physical cards with personalized digital profiles and an AI agent layer for professional networking. Users can tap their NFC card to instantly share contact information, portfolio links, or booking pages, while a companion AI agent handles automated follow-ups, smart introductions, and connection onboarding through a link database. The platform is aimed at professionals, Web3 participants, and businesses seeking to streamline outreach and lead capture at events and conferences. Card3 reports over 15,000 early users across more than 25 countries, with more than 500,000 interactions logged on the platform. Partners listed on the site span the crypto and Web3 industry, including organizations such as the Solana Foundation, Yuga Labs, Ledger, and several major exchanges.

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