The top priority, I think, is that team members should let the above exchanges support slatepacks trading through some means.
Grin should maintain its previous liquidity or avoid reduction after switching to slatepacks.
Whether this is a good idea or not, why don’t the Grin Developer Board and the Big Miner Pool create their own separate Exchange? A source of donated funds can be used for this. Moreover, for trading pairs more on currencies from all countries in the world, for example, such as GRIN / USD, or GRIN / IDR, or GRIN / BTC, GRIN / GBP, GRIN / EURO. So this exchange is like an index trading broker or online forex.
Interesting idear, but not something the developers have the time to work on. In general starting an exchange involves a lot of hassle due to the need to comply with so many regulations. A decentralised exchange or atomic swaps would probably be the best most future proof solution.
The problem is that until now the local exchanges here don’t want to list Grin, especially the two biggest exchanges like https://indodax.com/ and https://www.tokocrypto.com/ I will try to contact them to see if they are interested in listing Grin on their exchange. Indodax has many local pairs such as ZEC / IDR https://indodax.com/market especially if the Grin ++ Android wallet and the latest Win / Mac versions have been completed.
Probably what is needed to convince any exchange to list Grin, is certainty about a consistent transaction method. Slatepack could be that solution, at least there is certainty about continued support for slatepacks. On the other hand, we all know exchanges would prefer a method that involves 2 step transactions associating funds to an address just like any other coin. So maybe that is just what it will take to get more exchanges to list Grin and get more adoption. Maybe that would be the more realistic approach to convince exchanges, might take another 6-12 months to find an acceptable solution.