Crypto/krɪptəʊ,krɪptə,krɪpˈtɑː/ Definition 1 of 3Pro Tip 1/3Investment Slang Used informally to discuss financial investments in digital currencies. They casually mentioned pouring their bonus into crypto. Pro Tip 2/3Trendy Term Crypto is a trendy term popular among younger and tech-savvy crowds. My tech-focused friends are always discussing the latest trends in crypto. Pro Tip 3/3Tech Finance Combines technology and finance, highlighting its modernity and digital nature. She's working on an app that simplifies trading crypto.