But most of the users are interested in performing basic transactions such as querying for account balance and making bill payment.

This would ensure that unauthorized devices are not connected to perform financial transactions.

An expanded list would impose the same restrictions on companies that are being used by drug dealers to launder money or perform other transactions.

Nor did Citi state whether the information had been used to perform fraudulent transactions.

It may involve a large number of users who are simultaneously performing transactions which change data.

- including how to perform financial transactions in stores, giving money for purchases and taking change.

In fact, you'll find it hard to perform certain transactions, such as renting a car or purchasing tickets to performances, without one.

The ability to perform basic financial transactions over a mobile could act as a driver.

Visitors may lose faith in sites that cannot promise security and will become wary of performing online transactions.

As a simple example, consider a monitor for performing transactions on a bank account.