Abstract: A secure locker box is provided including a basic box (100) with a door enclosing a storage area, and a lock system for locking the door, the lock system including a processing unit (201), an electro mechanical door lock (202), and a wireless communication module (300). The processing unit (201) is adapted to receive a wakeup signal via the wireless communication module (300); send a request for unlocking the electro mechanical door lock (202) and opening the door; in response to receiving an unlock confirmation message, actuate the electro mechanical door lock (202) such that it opens the door; recognize closing of the door and locking the electro mechanical door lock (202) and in response sending a door closed and door lock locked confirmation message. A method for handling the secure locker box comprises receiving the confirmation message by a remote locker center (400) and writing a confirmation to a blockchain to ensure authenticity.

Abstract: The invention belongs to the field of systems for provision of computer-supported transactions with the use of a mobile phone, more exactly to the field of enabling universal communication between a telephone device, different transaction terminals and different servers including bank servers for carrying out certain transactions, considering all the security requirements against unauthorized access to an individual bank account or other user account.

Abstract: A mobile transaction system comprising: a user's mobile phone, a mobile network of any provider, a transaction device equipped with a microphone, a transaction processing center with dynamic early media generation capability and with the capability of communicating with the mobile network, wherein, upon a mobile phone user's call through the mobile network to the transaction processing center, the transaction processing center detects the call and, instead of answering the call, starts transmitting user identification data as a dynamically modulated signal through an early media connection to the mobile network and further to the user's mobile phone; wherein, the speaker of the user's mobile phone reproduces the modulated signal, which is then captured by the transaction device through the microphone.

Abstract: The invention belongs to the field of systems for provision of computer-supported transactions with the use of a mobile phone, more exactly to the field of enabling universal communication between a telephone device, different transaction terminals and different servers including bank servers for carrying out certain transactions, considering all the security requirements against unauthorised access to an individual bank account or other user account.