if you already have BTC with a value of 10,000 usd, BTC is perfect for long-term investment, or you can also use masternode which is a passive income
Masternode is not a good choice to invest in, in my opinion. It can't be for long term anyway. When more people come to it, it will increase the price for sure but with the high inflation, ther will be no more money to come, the value will be starting to lose.