You've done well in the first step, investing in BTC and ETH. Perhaps you should consider adding BNB to your investment portfolio with a smaller allocation than what you've invested in BTC and ETH. As for Altcoins, you can invest in recently listed projects on Binance and other top exchanges. You'll feel comfortable when diversifying your investments into various projects with smaller amounts. However, make sure these projects are new. Avoid buying tokens from older projects; by 'older projects,' I mean those that have already experienced significant price increases in previous uptrends