To send crypto funds from your account please do the following:
Log in to your Quantum.uk account
Go to section Crypto
Choose the wallet and click Send
Fill out the form: Add an amount and a cryptocurrency recipient's wallet address
Check the transaction
There is no blockchain fee to send cryptocurrency from one account, registered within Quantum.uk to another. However, if you wish to transfer Bitcoin to a wallet outside Quantum.uk, you will be subject to blockchain fee, considered as Miner fee.