I recently made a lot of money by seeing my friends around investing in bitcoin. I wonder if there is any other currency worth investing in. Thank you!
You want to diversify? what do you prefer, long term or short term? If for another long term investment I prefer ETH, LTC and Monero. Good thing that you are with your friends who are already with crypto's and you got a nice entry point for sure. But if you are still unsure of those three coins that I suggested, go at
https://coinmarketcap.com/ .