The first Web 4.0 decentralized public ecosystem builders

Dutch non-profit Tonomy Foundation is committed to creating a fair and equitable world with people at its core.

Trust, compliance, the safety and privacy of Netizens of all kind are at the core of our values.
Chamber of Commerce #: 86537288
Address: 1087 VV, Amsterdam, Netherlands


To build open-source technologies that make it easier for people to ethically and efficiently manage digital interactions.


We envision unified digital ecosystems, fostering transparency, privacy, inclusively, and trust, whulst ensuring safety for all participants

Our Values

Tonomy builds powerful and reliable tool for managing digital identities and transactions. Its open source nature and Self-sovereign Identity and other Web3 technologies make it a highly secure and efficient solution for government agencies and commercial companies.

Technology is the Key

Using self-sovereign identity (SSI) and other cutting-edge technologies to provide secure and efficient solutions for government agencies and commercial companies.

Personal Privacy

Privacy compliance refers to protect the personal data privacy of individuals and give them control over how their information is collected, used, and shared.

Open and Transparent Governance

Open governance refers to the principles and practices of transparency, accountability, and participation in the decision-making processes of an organization.


We take great care to ensure that all of our products and solutions are designed to protect sensitive information and prevent unauthorized access.

Data access

Our organization aims to provide secure and efficient access to data through the use of open source solutions for digital identity and self-sovereign identity technology.


We aim to improve organizational efficiency processes through open source solutions like digital identity, DAO, and governance systems to reduce administrative friction.

Meet the Team!

Jack Tanner
Chief Technology Officer | Co-Founder

Masters of Computer Science from Imperial College London and BEng from University of Queensland. 8 years experience as blockchain engineer including working with Atos and MN in finTech, social, govTech and other sectors. Taught blockchain in London with Ethereum Foundation members in early 2016, and major contributor to Ethereum upgradeability standards. Self-Sovereign identity engineer for 4 years with major contributions to DIF and W3C standards. Pioneered 3 startups.

Christiaan Verhoef
Co-Founder | Chief Commercial Officer

A dynamic leader renowned for his logistics and financial management expertise, coupled with a strong understanding of FinTech. With a Bachelor's in Business IT and Management from Amsterdam University, he brings diverse expertise from roles at The New Fork and as a startup advisor, technology incubator manager and angel investor.

Chetana Bhardwaj
Co-Founder | Chief Operating Officer

Brings over 6 years of experience in leading software projects. As a Scrum Master at KoinWorx BV for 5+ years, she ensures success with innovative solutions. Previously, she spent 6+ years as Inflight Team Lead/Trainer at Airindia Limited. Holding a Bachelor of Arts from Delhi University, she excels in managing complex tasks and delivering top-notch results within tight deadlines.

Our Trusted Partners