The bitcoin was the good coin more than a decade and the strong base in the market,So most of the traders here will recommend you only the bitcoin for the legitimate and the decentralised behaviour.If you search the altcoin for the investment the better coin is Ethereum,Binance Smart Chain,Solana,Ripple,Tron.Because this project was older one and more investors survive in the market and many people gained some profit from this coin.The important one in this was the trader should use the right time to invest your valuable money by analysing the market.