There are a number of ways to make passive income through cryptocurrency. One way is to simply hold onto your coins and wait for them to increase in value. You could also look for airdrops and earn free coins. Another way is to mine for new coins, which can be a more active process but can also be quite lucrative. Finally, you can also earn interest on your existing crypto holdings by lending them out to others in the form of a loan. Whatever method you choose, making passive income through cryptocurrency is a great way to build up your wealth over time without having to put in a lot of work. Just be sure to do your research and only invest what you can afford to lose.