I don't know about Spain but I'll guess on some of this for UK:
1. If you're present in the UK 46 to 182 days, from April 6 to April 5 the following year, then UK family, employment, UK presence in previous 2 years and available accommodation are taken into account to decide UK tax residence. I'm sure there are some situations I haven't considered, but offshore passive income to a non-UK tax resident shouldn't normally give you a UK tax bill. That's not to say your country of citizenship, ordinary residence or place of business won't tax you.
2. Likewise for offshore capital gains. There is non-resident CGT for UK land or property, but I can't see that bothering you.
3. If you're continuing the crypto trading you've already been doing, while visiting the UK, then I have no idea how strict they will be. To quote Deloitte, 'Business traveller compliance is in the top three "hot topics" for the UK tax authorities in terms of compliance and risk management'. Of course they're talking about multinationals with big bureaucratic footprints who are already on the tax authorities' radars.
I have the same question regarding other countries. One big concern is that these rules can change fast, and their interpretation and enforcement can change even faster. Also you need to consider where you pass KYC/AML for exchanges and where you bank if you handle fiat (I don't).
1. If you're present in the UK 46 to 182 days, from April 6 to April 5 the following year, then UK family, employment, UK presence in previous 2 years and available accommodation are taken into account to decide UK tax residence. I'm sure there are some situations I haven't considered, but offshore passive income to a non-UK tax resident shouldn't normally give you a UK tax bill. That's not to say your country of citizenship, ordinary residence or place of business won't tax you.
2. Likewise for offshore capital gains. There is non-resident CGT for UK land or property, but I can't see that bothering you.
3. If you're continuing the crypto trading you've already been doing, while visiting the UK, then I have no idea how strict they will be. To quote Deloitte, 'Business traveller compliance is in the top three "hot topics" for the UK tax authorities in terms of compliance and risk management'. Of course they're talking about multinationals with big bureaucratic footprints who are already on the tax authorities' radars.
I have the same question regarding other countries. One big concern is that these rules can change fast, and their interpretation and enforcement can change even faster. Also you need to consider where you pass KYC/AML for exchanges and where you bank if you handle fiat (I don't).
Yep. I don't buy the idea that it's impossible to be a nomad or that you always have at least one tax residency, but I do accept that sometimes you do, and that it can be a lot easier if you do.My plan was to stay in different EU and South American countries during the year.. It looks like I have to talk to local tax specialist in each one to be 100% safe :/