A bit coin is not a physical asset. It is denoted or accessed by a web address and you will need a personal key to transact with the help of your bit coin. So in this situation, it is not sure that your information in the online space will be safe. A btc wallet will safeguard your information various theft attacks in the online space.
There is no need to search your key from your wallet and use the same in order to buy the product you want as now-a-days the transactions are through online. It has complete proof system and only when your credentials are provided the information is given to you. The btc wallet is a service program that runs online which acts as a mediator between the merchant and the customer. It checks the details of customers and their respective passwords. It is here where this wallet acts as physical terminal that process the transactions for the merchant. It becomes easy for a merchant to send and receivepay outswith the help of these wallets.
Ability to change into multicurrency
During a physical transaction if will be very difficult for both you and your customer to handle multi currencies. But wallet allow you to change your btc to multiple currencies at the same without requesting any special charge from you.
Your account details such as the card number and passwords which you provide to the online walletare kept secret by a unique kind of encryption designed by the wallet itself.