1. Bitcoin (BTC) Bitcoin has been around for the longest of any cryptocurrency.
2. Ethereum (ETH) Ethereum is different from Bitcoin because it isn't only a cryptocurrency.
3. Binance Coin
4. Cardano
5. Polkadot (DOT)
6. Ripple (XRP)
7. Litecoin
8. Tron (TRX)
9. Polygon (MATIC)
10. WazirX (WRX)
I think all crypto is best for long term investment, of course, I mean to say the ones with good project insight and mission. All the listed are good but I always be long for Bitcoin and Ethereum, those two are the real deal.