@HMRCcustomers hi, tom
i used to GATE platform. it said it can not provide service for Hong Kong people.
Sorry, i forgot to told you that i was living in HK and moved to UK last year
@HMRCcustomers sorry, it is not about exchange rates. i can not get any information how much i gain or loss on crpyto currency from exchange. how could i inform HMRC in self assessment