O2O Cardfree CRM System (O2O C3C) is a new way of CRM in new Digital Transformation age. O2O C3C is composed of Virtual Passes, Smart MemberBase, Ready-Made Marketplace, and Tailor-Made Landing Page. O2O C3C collects and analyzes big data of your members. It allows personalized push notification to boost royalty. It provides ready-made landing page and online store to expand your marketplace and embrace O2O customer experience for your members. It transforms physical cards, event and VIP coupons into virtual. Customers just add their digital wallets at any-time and anywhere!