22 pages
Categories
Payments
1 min read
POS
Point of Sale architecture, terminals, EMV flows, SoftPOS, and payment system design
1 min read
Security
Authentication, certifications, PCI compliance, and secure system design
1 min read
AI
LLMs, agentic systems, prompt engineering, and AI in payments
1 min read
Architecture
Payment platform architecture, POS system design, orchestration, and secure infrastructure
1 min read
Digital Communications
Modulation, channel capacity, SNR, receiver chains, and telecom system design
1 min read
DSP
Digital signal processing, filters, sampling, ADCs, and receiver design
1 min read
Information Theory
Shannon entropy, data compression, channel capacity, and the mathematics of information
1 min read
Mathematical Foundations
Derivations, limits, and core theory for signals, information, estimation, and learning