Cryptomathic Obsidian Transact is a PCI-compliant EMV payment processing module designed to add EMV capability to existing mag-stripe authorization systems without requiring extensive modifications or infrastructure overhauls. The product offloads key EMV processing functions from host authorization systems, including: - EMV cryptogram verification to confirm the authenticity and integrity of cards and transactions - Analysis of EMV data within authorization requests, with configurable outcomes based on user-defined conditions - Real-time or pre-staged generation of EMV scripts supporting card blocking, risk parameter management, PIN change, and PIN unblocking Obsidian Transact is designed for deployment within existing payment infrastructure. It supports concurrent handling of multiple card groups, issuers, card brands, and EMV applications. The system is capable of processing over 1,000 transactions per second through multi-mode implementations. The product targets card issuers operating legacy mag-stripe systems who need to add in-house EMV processing capability without replacing existing infrastructure.