Payments
The ledgers, messages, settlement assets and institutional rules that allow value to move safely.
Independent books, research and perspectives from Japan
Mapping Payments, Tokenization and Agentic Finance.
Meridian House explores how money, assets and financial infrastructure are being redesigned—from the foundations of payments to tokenized deposits, stablecoins and AI agents.
A bilingual platform for practitioners, researchers and decision-makers navigating the next financial infrastructure.
Payments
Tokenized Deposits
Stablecoins
Agentic Finance
New coordinates for money and value
A meridian is a line of orientation—and a way to connect places. This is a map for the financial infrastructure now taking shape.
Three fields of inquiry
Where finance is being redrawn
Meridian House connects the foundations of financial infrastructure with the technologies and institutions now reshaping it.
Tokenization
Stablecoins, tokenized deposits, digital securities and the redesign of ownership, liquidity and settlement.
Agentic Finance
How AI agents will receive authority, make decisions and execute payments with evidence and accountability.
A house for intellectual exploration
Meridian House takes its name from the lines used to orient ourselves in the world. It is a place for mapping new financial terrain—not through technological enthusiasm alone, but through the combined lenses of banking, regulation, systems and economic purpose.
The aim is practical: to explain where the rails of money are moving, what must remain controlled, and how institutions can build the next infrastructure without losing trust.
Onchain Finance Library
Books that connect the map
A Japanese-language series that moves from the foundations of payments to tokenized money, financial regulation and AI-agent transactions.
LIBRARY 01
決済の地図The Map of Payments
In development
A practical map of money, bank accounts, payment systems and settlement.
View the series →LIBRARY 02
オンチェーン金融Onchain Finance
Flagship volume
How stablecoins, tokenized deposits and agentic payments form a new financial infrastructure.
View the series →LIBRARY 03
トークン化預金の実務Tokenized Deposits in Practice
LIBRARY 08
10の流動性Ten Dimensions of Liquidity
In development
A framework for understanding how tokenization redesigns transfer, control, collateral and capital efficiency.
View the series →
Writing and research
One subject, different depths
Each channel has a distinct role: international perspective, structured Japanese learning, and corporate thought leadership.
Japan’s onchain developments
Policy, bank initiatives and payment infrastructure in Japan—interpreted for an international audience.
Follow on LinkedIn →オンチェーン金融の地図
Four series covering payment fundamentals, current developments, professional practice and technical implementation.
Read on note →Financial tokenization perspectives
Research and analysis published as part of corporate thought leadership and business development.
View corporate articles →
About the author
Translating new financial infrastructure into practice
Toshihiko Sato is a practitioner in payments, cash management and financial technology. His career spans systems engineering and project management at IBM, followed by banking roles at Citibank, Mizuho Bank and Deutsche Bank, including experience in cross-border payments, SWIFT connectivity and corporate cash management.
He currently serves as a Fellow at TIS Inc., working on financial tokenization strategy and consulting. His areas of focus include stablecoins, tokenized deposits, CBDCs, ISO20022, payment infrastructure and AI-agent payments.
His writing approaches onchain finance not as a crypto narrative, but as the redesign of the institutional, legal and technical rails that support value transfer, credit and liquidity.
ISO20022Cross-border paymentsCash managementAML/CFTFinancial architecture
Engagement
Ways to engage
The current focus is on knowledge-sharing formats that connect practice, policy and education.
Speaking and executive briefings
Keynotes, internal briefings and structured sessions on payments, tokenized money and onchain finance.
Contact →Guest lectures and academic collaboration
University lectures, professional education and research collaboration at the intersection of finance, technology and policy.
Contact →Expert interviews
Independent expert conversations based on public information and general professional experience, subject to confidentiality and conflict checks.
Contact →FAQ
Frequently asked questions
Is Meridian House a company or a personal publishing brand?
It is an independent publishing and research brand for the author’s personal books and public-facing intellectual work.
Are the views on this site those of the author’s employer?
No. Unless explicitly stated otherwise, the views expressed here are personal and do not necessarily represent those of the author’s employer or affiliated institutions.
Will English-language books be published?
English editions and shorter international briefings are under consideration. The briefing will provide updates as they become available.