You can buy different types of cryptocurrencies. Cryptocurrencies that have a field of use. You can buy them. Because it is not possible to make a profit by buying a cryptocurrency that does not have access to cryptocurrencies. Because you should buy stingy currencies that will improve in the future or improve the platform. Like you can buy ETH, SOL, DOT, BNB, CAKE, UNI, GT, BIA, FTT, TRX, XRP, Doge, ADA, AAVX, matic, shib, safemoon etc. You can use the big exchange sites to buy these. Such as Binance, Kucoin, Houbi Global, FTX, kraken, gate.io, coinbase pro in Centralized Exchange. And Uniswap, Quickswap, Pancakeswap among the decentralized exchanges.