Through bank transfer:
In order to deposit/add money to your viva.com Account, you should follow the instructions below:
Login to your viva.com Account via a web browser.
Select the Deposit option on your Account homepage.
Click on Bank Transfer.
Select the account you want to deposit the money into.
Then, you need to provide to the originator the following account details:
The Βeneficiary Νame, as shown in the account details
The Account Number and the Sort Code – the unique code that identifies the Bank
Through card:
You can check here about depositing money with card