From a computer, please log in to your Paymium account and click on the 'Swap' tab.
Then, in the top drop-down bar, please select the currency 'Euro' and fill in the requested amount.
Finally, select 'ETH/altcoin' of your choice in the bottom drop-down bar and confirm your purchase.
From the mobile application, please log in to your account and once on the homepage, click on 'Buy'.
Then select the crypto-currency of your choice, enter the amount in Euro. You will then see an estimate of the amount of the crypto-currency. Finally, click on 'Buy'.