The Science of Transactions

Transactology studies how value moves between systems, markets, and people — bridging theory, methods, and applications for the modern exchange economy.

A T B value flow settlement

The Discipline

Theory

Mathematical models of value exchange, transaction cost economics, and information asymmetry in bilateral and multilateral systems.

Methods

Empirical approaches to transaction analysis: network science, causal inference, and real-time monitoring of exchange systems.

Applications

Real-world deployment in financial services, supply chain management, digital platforms, and decentralized exchange protocols.

Featured Research

Transaction Friction in Cross-Border Payment Networks

Chen, R., Nakamura, T., & Okafor, D.

An analysis of settlement delays and cost friction in SWIFT, blockchain, and hybrid cross-border transaction networks across 42 currency corridors.

Journal of Transaction Science2026

Causal Inference Methods for Digital Marketplace Transaction Analysis

Lindqvist, S. & Patel, A.

Novel instrumental variable approaches for identifying causal effects in two-sided marketplace transaction data under endogenous price-setting.

Proceedings of TransactCon 20252025

Upcoming Events

Apr 15-17TransactCon 2026 — Seoul
Jun 8Workshop: Real-Time Transaction Monitoring
Sep 22-24Annual Symposium — London