The Textbook of Payments
Foundations of bank money, clearing and settlement required to understand onchain finance.
Independent knowledge platform
Mapping payments, tokenization and onchain finance.
A structured knowledge base connecting financial practice, technology and policy across digital money, tokenized assets and financial infrastructure.
An independent knowledge platform for payments, tokenization and On-chain finance.
Knowledge as a connected map, not isolated points.Foundations, policy, technology, projects and use cases are mapped together.
MERIDIAN HOUSE
A meridian is both a line of orientation and a way of connecting places. Meridian House explores the new coordinates of money, assets and financial infrastructure.
Meridian House Framework Paper No. 01
Tokenization Transformation
From Digitizing Assets to Redesigning How Value MovesThe question is not only “what can be tokenized?”
It is “why tokenize at all?”
Replacing an asset with a token does not by itself transform a transaction. This framework asks how assets, rights, data, rules and settlement can be reconnected to redesign the flow of value itself.
5 Steps5 TestsStructured TrustTransformation Readiness
Knowledge Map
A structured map of onchain finance
Six connected domains reveal the broader system behind individual technologies and headlines.
Open the Knowledge Map →
01
Payments & Financial Foundations
Deposits, transfers, clearing, settlement, central bank money, cross-border payments and ISO20022.
Explore domain 02Digital Money & Assets
Stablecoins, tokenized deposits, CBDCs, securities and real-world asset tokenization.
Explore domain 03Technology & Architecture
Blockchains, smart contracts, wallets, oracles, interoperability and settlement design.
Explore domain 04Policy, Contracts & Risk
Legal characterization, issuance, redemption, AML/CFT, travel rule, rights and accountability.
Explore domain 05Projects & Use Cases
Payments, trade, securities, collateral, treasury and agentic finance across global projects.
Explore domain 06Evaluation, Failure & Futures
Why pilots stall, liquidity, economics, governance, adoption conditions and transition paths.
Explore domain110glossary terms planned
6active research series
10planned book volumes
1connected knowledge map
Current Research
Maps currently in progress
note serves as a public research notebook; its findings flow back into the Knowledge Map and books.
AI × Onchain Finance
Interpreting the intersection of AI agents and financial infrastructure.
Onchain Finance Practitioner Notes
Breaking down the operating, policy and implementation questions facing institutions.
Technical Notes for Engineers
Smart contracts, key management, oracles, DvP/PvP and agentic payments.
Global Onchain Finance Projects
Projects analyzed by purpose, architecture, participants, outcomes and limits.
The Map of Onchain Finance Use Cases
Use cases organized across payments, trade, securities, collateral, treasury and more.
Publications
Knowledge designed to remain useful
Books, essays and briefings prioritize structure and long-term reference value over short-lived commentary.
VOLUME 01
The Map of PaymentsJapanese edition
Available on Kindle
JPY 1,650
A practical map of bank transfers, clearing, settlement and cross-border payment networks.
View on Amazon →VOLUME 02
Onchain FinanceJapanese edition
Available on Kindle
JPY 1,650
A connected view of stablecoins, tokenized deposits, CBDCs, tokenized assets and agentic payments.
View on Amazon →Speaking, Education and Expert Insight
From structured knowledge to informed dialogue
Independent perspectives for institutions, universities, conferences, media and research partners.
Keynotes & Briefings
Executive and professional briefings on the changing architecture of money and financial infrastructure.
University & Corporate Education
Courses and workshops from payment foundations to tokenization and agentic finance.
Media, Research & Expert Dialogue
Interviews, writing, research collaboration and focused expert conversations.
Editorial Independence
Independence expressed through operating principles
Research is not designed to promote a particular provider. Sources, conflicts, corrections and commissioned work are disclosed where relevant.
Read the editorial principles →Free Briefing
Receive the release noticeJapan Onchain Finance Map 2026
A concise map of Japan’s digital-money and financial-infrastructure landscape.