https://upbit.com/service_center/notice?id=5134
On May 19, 2025, the Upbit South Korean crypto exchange included XEM in the list of cautious trade, and deposit services were temporarily suspended. UPBIT conducts a detailed check of the digital asset to determine whether to extend, lift or ultimately terminate trading support.

UPD June 02. NEM trade is stopped.
https://upbit.com/service_center/notice?id=5196

I think, most likely the main real reason for the decision was the insufficient from the point of view of the exchange, the volume of bidding XEM.
Weak hands are losing, strong hands take )
Its good time to buy?

https://upbit.com/service_center/notice?id=5134
On May 19, 2025, the Upbit South Korean crypto exchange included XEM in the list of cautious trade, and deposit services were temporarily suspended. UPBIT conducts a detailed check of the digital asset to determine whether to extend, lift or ultimately terminate trading support.

I think, most likely the main real reason for the decision was the insufficient from the point of view of the exchange, the volume of bidding XEM.
Weak hands are losing, strong hands take )
Its good time to buy?

https://upbit.com/service_center/notice?id=5134
On May 19, 2025, the Upbit South Korean crypto exchange included XEM in the list of cautious trade, and deposit services were temporarily suspended. UPBIT conducts a detailed check of the digital asset to determine whether to extend, lift or ultimately terminate trading support.

I think, most likely the main real reason for the decision was the insufficient from the point of view of the exchange, the volume of bidding XEM.