I've noticed that a lot of people's imaginations are being limited by the RMT problem. Whenever an idea comes up generally the common response is "RMT will exploit it" or some such nonsense. Though I personally believe RMT is less of a problem than most people think it seems to be a on the forefront of people's minds so I decided to put together a few ideas directed at lessening the number of RMT running around ruining everyone's afternoons. Now, bear in mind we probably will never rid ourselves of RMT as long as a game has need for currency. Also, I'm not completely sure SE wants to get rid of RMT in the first place considering that it gains a good deal of money from RMT accounts. Anyway, my ideas are all fairly easy to accomplish and require little manpower.
1. Contact google and other search engines and ask them to remove RMT related websites from their search engines. This is a common practice in other markets such as blogging. If a blog has plaguerized another blog the offended party can contact google and have their website removed from the search engine.
2. Contact fan sites and require them to remove ads that promote gil-selling in their ad service. This is probably one of the major sources buyers find RMT sites. Remove this and buyers wont be able to find where to buy gil.
3. Have GMs monitor chat channels in major cities and remove anyone advertising RMT sites.
4. Create an easy way for people to report RMT spams. In WoW this is easily done by right clicking on the name and selecting "report spam". It also puts the person on a short black-list, removing your ability to see anything that person writes for a period of time.
These ideas are basically designed to eliminate the buyer from the RMT equation though it also helps in eliminating random players from selling their gil/accounts as they wont be able to see where to do it. Without anyone to buy gil, like any business it goes under.
I have a few ideas concerning the means the RMT have of obtaining gil but they are, generally, more costly and less effective:
1. Create a program much like google earth but allows you to monitor a server in real time (maybe this is commonly done...I don't know). This way you can zoom into an area that has known RMT activity (think the boats in FFXI...they always had a bunch of obviously RMT fishermen there) and monitor the actions of people there. This can only eliminate bots and the like.
2. Use a pan-server AH system, linking the AH from every server to equalize the prices of items in every server. This has been discussed before and I like the idea. It will lessen the ability of RMT from manipulating the market. Yes, this will help...it's basic economics, please don't discuss it excessively here...dredge up the last thread about it if you want.
There also has to be absolutely zero tolerance in gil buying/selling. If anyone is caught doing it (not suspected, but caught) the account must be deleted and a ban placed on the credit card. Make this widely known to discourage the activity.
I also have one last idea that most people might not like. Make gil-selling official. EVE Online has things called plex that are basically one-month subscriptions turned into in-game items. You can sell these items in the market. It pretty much makes buying isk (the in-game currency) anywhere else kind of silly since this way it's 100% safe and still fairly cheap, though dependent on the market price for the items.