Money is a big deal in games these days. In Mortal Kombat 11 there are many currencies, but one of the most important is the Koins. You'll need to horde these if you want to be able to buy more items during your time with the game. 

Aside from that, you need to know how to actually gather these up in the first place. 

Simply grinding them out is one thing, but where can you even earn them in the first place? There's no point panning for gold if there is no gold to be found. 

So, now that the game has been patched, you can actually earn a fair chunk of Koins from most activities. 

Even the Story Mode can actually gain you some Koins. Though, this is a one-time affair unfortunately and will only be earned in your first run through. 

Fighting your way through the Krypt is a great way to earn some Koins now and is also a lot of fun. 

Finishing of fights in the Tower of Times is also a good way to earn a nice wage as well, it should be a little bit more reasonable now that NetherRealm has released the patch to rebalance things. 

Essentially, any of these are solid ways to earn more Koins, it is more a matter of your preference than anything else. 

Ceaselessly grinding away was a huge issue before the patch, so hopefully, it will be a little bit more bearable for anyone trying to tackle this now. 

The important thing is to break it into chunks to make sure you actually still enjoy the game. 

Relaxing in the evening while hammering out a few fights can be a good way of doing it.

Understandably, if you want to pour in a day's worth of hours then maximising your time in the Krypt is a very good idea. 

Listening to a podcast while grinding can help the time pass faster too. 

Even just listening to music can make the experience a lot more enjoyable if you are committed to the grind. 

So, that's that. Good luck and happy hunting. Maybe just imagine you're a sexy space pirate to make it through the grind. That would make a fun game, right?