In order to ensure continuity of service, different telecommunications providers are used to connect the gateways. Transactions are distributed automatically between these gateways to maintain maximum processing efficiency. Each gateway is in continual communication with our control system, and transactions are immediately backed up in a secure encrypted format. All of the transactions that had already been processed would be securely backed up elsewhere. Each signature uniquely identifies its source.
Gateways also communicate with each other and with the control system using such digital signatures.
The high level of encryption used is forecast as not being a requirement until the year 2015.