Here is the answer if you want to know what is crypto coin. Crypto is a digital or virtual currency that operates independently of a central bank and uses cryptography for security. To invest in cryptocurrency, you should first educate yourself on the technology and market. Research different cryptocurrencies and exchanges, and understand the risks involved in investing in a highly volatile and unregulated market. To buy cryptocurrency create an account with a reputable exchange, purchase cryptocurrency, and store your assets in a secure wallet.