Slt que se passe-t-il sur kucoin

Slt grin a été delisté de kucoin qu’elle est le problème svp

You mean why Kucoin delisted Grin, simple, they complained there was not enough trading volume to make it profitable for them. Even though members of the community offered to provide the liquidity they needed, they did not enable this since they do not allow depositing Grin. So practical they made it impossible to provide the liquidity they asked for. Here a link to a post with more information including their official announcement:

For a list of exchanges that does support Grin: