Can I send money from Korea to UK?

I'm sorry to ask, but is it possible to send money from Korea to the UK? I'm not very familiar with the intricacies of international transactions, especially when it comes to cryptocurrencies. I've heard that there can be some complexities and potential issues involved. Could you please explain the process to me? I'm particularly interested in knowing if there are any fees or limits that I should be aware of. Also, is the transaction secure? I'm sure you understand my concerns, given the volatile nature of the crypto market. I would appreciate it if you could provide me with some clarity on this matter.