[Rant] This game's practically dead in terms of actual content.

Add. In. Meso. Sinks. Maplestory has not ONCE in the 12 damn years it's been released had an actual meso sink with a decent selection of items. Put cubes, soul shards, inventory expansions in there and make them cost a decent amount. (Enough to where they take some time, but not 10 hours for a single damn cube) The mesos in the economy constantly switching hands and nothing else alongside the rampant botting has made them next to worthless.

The problem with whatever meso sinks we have is that they hurt the poor worse than they hurt the rich.

For example, the cost of revealing "high level" equipment. Yes, it adds up when you're cubing your Tyrants to legendary. But it also adds up when you're just a poor newbie trying to find 3% mainstat Pensalir gear (which costs 10x as much to reveal as you get from NPC'ing it when you discover the potential sucks).

I believe what the game needs is exponentially increasing taxes.
Right now the transaction tax increases linearly - or logarithmically, when you consider the meso brackets. Even if you sell something for max meso, the tax is only 6%.
I suggest that the tax go up exponentially. For example:

Meso amount	Tax
<100,000	0
100,000 - 999,999	1%
1,000,000 - 9,999,999	2%
10,000,000 - 99,999,999	4%
100,000,000 - 999,999,999	8%
1,000,000,000 - 9,999,999,999	16%

Now, people will obviously try to avoid the higher taxes by doing multiple trades. Nexon could keep track of trades between the same two characters within a small time span (say, over the course of a day) and tax that accordingly, but tbh I seriously doubt they'd bother.

So the next step is property tax: every week during the weekly maintenance, all meso amounts in character inventories and storage will be reduced, according to a table like this:

Total mesos in account	Tax
<10,000,000	0
10,000,000 - 99,999,999	1%
100,000,000 - 999,999,999	2%
1,000,000,000 - 9,999,999,999	4%
10,000,000,000+	8%

People might try to avoid that by spreading their meso among many accounts, but recall the transaction tax. It would be very tedious to try to protect your fortune all the time.

Some have suggested simply wiping all the meso in the game, or some high percentage of it. However, that would only be a temporary solution, because as long as Nexon can't get a handle on meso farmers, they'll just get inflation up and running immediately after the wipe. A weekly tax is better because it keeps the meso draining away, hopefully faster than it is generated.

The numbers I gave are only suggestions. Nexon has far more information regarding the total meso in the economy and the amount entering it every week, so they can set the tax in such a way that the total meso in the game will gradually decrease until it stabilizes at a reasonable level.