Individuals who hold cryptoassets are liable to pay Capital Gains Tax when they dispose of their cryptoassets.
If you are doing a large trade volume (crypto to crypto and/or crypto to fiat), you may also have to pay tax if you reach a certain threshold.
Please visit the UK government website for more information: https://www.gov.uk/government/publications/tax-on-cryptoassets
Important: Coinfloor does not provide tax advice and this material should not be considered as such. For further information regarding your specific situation, please consult with a tax professional.