Crypto currency trending coins ,like Bitcoin and Ethereum are digital asset gaining popularity due to their potential for profit and innovation.To buy ,open an account on a reputable exchange platform like binance , deposit funds ,and purchase coins with fiat currency .To sell simply place a order on the platform ,To hold simply transfer your coins to a secure wallet for long term safety .As a beginner research each coin thoroughly , Start small and never invest money you can't afford to lose . Always keep your private key secure and stay update on market trends to make informed decisions .