Electronic transactions system between purchaser and seller with secure transfer of payment; transmits electronic validation code, an access code, payment title code and bank identity code

摘要

Every user (Ai) authenticates the signature of the title of payment (TPi (n)) and performs an electronic validation code (PreCVaIi) clearance. The station of users (Ai) receive each in memory validation codes (CVali) and the code of access (Caci) confidential of the user (Ai). The electronic code of check and banking identity (ldi) of the transmission supports the codes transmitted to every user (S1,S2,S3,S4).