FIELD: physics, computation hardware.
SUBSTANCE: invention relates to computerisation of transactions. Transaction system comprises multiple channels or transaction modes associated with the transaction account. Note here that at least one channel or transaction mode is unsafe relative to other channels or transaction modes. It includes transaction subsystem to receive the request from transaction account holder on the basis of unique ID of account holder to vary the state of said unsafe channel or mode from first ate to second state in response to received request. Note here that the next transaction message identified as related with relative unsafe channel or mode set at said first state is rejected. Note here that the next transaction message identified as related with relative unsafe channel or mode set at said second state is allowed for further processing.
EFFECT: safer financial transactions.
27 cl, 4 dwg
