The Vision of SEMPER.- I. The Vision of SEMPER.- Secure Electronic Commerce.- Technical Framework.- Legal Framework.- Vision of Future Products.- II. Project Achievements.- Project Achievements.- 5: Organizational Overview.- Architecture.- Experiments.- The Fair Internet Trader.- The Commerce Layer: A Framework for Commercial Transactions.- Fair Exchange: A New Paradigm for Electronic Commerce.- 11: The Payment Framework.- 12: Trust Management in the Certificate Block.- 13: Limiting Liability in Electronic Commerce.- 14: Legal Aspects.- Future Directions in Secure Electronic Commerce.Springer Book ArchivesDE