Citizen App

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Citizen App
Know Your Customer
Team Organizations Dataswyft
Urban Systems
Point of Contact Tyler Weir
Irene Ng
Participating Municipalities Cambridge UK
Sectors Cybersecurity and Privacy
Smart Region
Status Implemented
Last Updated July 25, 2024


Citizen App, the first of its kind, empower individuals to claim and legally own their data from across multiple sources, then use it securely and seamlessly in everyday life.


Pioneered through UK government-funded research on the Hub-of-All-Things (HAT) together with Smart Me vs. Smart Things, and further developed by Dataswyft, the app is integrated with an individual’s Personal Data Accounts, giving an individual a 360° view of their digital lives with the ability to share the data onwards through Dataswyft’s Data Passport System, or for the App owner to create APIs to enable individuals to share their data on to others.

Data Connectors in the app allow individuals to instantly claim their data into their Personal Data Accounts from sources such as Facebook, Spotify, Google Calendar, Twitter and Fitbit. Once claimed, individuals can view insights on their digital behaviours and safely share relevant snippets of data with other applications.

Algorithms, created by third parties, can be deployed and executed by the PDS Serverless functions, and be called upon by the app to bring unique ‘super-powers’ to both individuals and their cities through the safe and secure processing and sharing of data.

For example, a person's Google Maps data could be used to calculate a mobility score within the app. The score could then be shared with Metro services, providing the citizen with a relevant travel discount and the Metro services with a non-identifying picture of service usage in specific areas of the city to optimise transportation for its users.


Originally developed as part of a £385K grant project “Smart Me vs Smart Things”, funded by U.K. Government, this project was codenamed “Rumpel” and was developed into being a PDA Dashboard by Dataswyft to enable individuals to view the contents of their personal data server and enable access and control of their server connections with applications and websites. The code name “Rumpel” was chosen as a challenge to UX/UI designers and data visualisation designers to craft a user experience for the individual since multiple data accounts will hold different data within an individual’s personal data server. The current Rumpel has a basic universal data viewer of all the data within the personal data accounts. The challenge is to visualise the data with a 360 view of his/her digital life such that, if crafted well, will enable individuals to understand the value of their data and therefore “turn straw to gold”.


  • Launch an entirely new “bring-your-own” KYC model
  • Enable any individual globally to self-credentialise with their National Passport, with government approval, and use those credentials across businesses, dramatically cutting costs and approval time for sharing data
  • Provide an app-agnostic decentralised Universal Identity, with Credentials and Asset Ownership that ensure immutable integrity of assets and transactions
  • Enable credentials stored on individuals’ Personal Data Servers to render citizens the legal owners and sole purveyors of their own sensitive information

Current Solutions that use this app

  • A citizen app to showcase self credentialisation and KYC (Dataswyft)
  • A PDA Dashboard for Personal Data Servers (Dataswyft)

Commercial rollouts: Costs

Those planning to commercialise and roll out solutions using the Citizen App will benefit from decentralised PDA costs per user of $0.10 - $0.16 per user per month with inactivity discount of up to 80% (subject to terms). PDAs with basic National Passport biometric authentication will need to add 20% to costs. All costs have been lowered to benefit SMEs and developing nation states to leapfrog costly centralised systems and enable the democratisation of data.

Commercial Rollout: Governance

Commercial version of Citizen App would require submission of the app to Dataswyft’s Developer’s Dashboard so that the contracts for the use of the PDAs can be set up on demand between App owners and Server owners, subject to Dataswyft’s governance rules.


5th Annual Symposium of the Digital Person

Open Source

PDS - PDS forked from HAT2.0
localdockerdb, convenient Local Postgres
Rumpel-React, the Front-end for the PDS

Activity timeline

  • 1 Feb: Citizen App code open sourced by Dataswyft for initial collaboration
  • 1 Feb: Urban Systems join Citizen App project to assist with documentation
  • 1 Feb: XLab/Case Western Reserve University students join the project group
  • 10 Feb: Basic documentation ready for Citizen App project by Urban Systems.
  • 10 Feb: Information to developers community that the project is now open for collaboration
  • 16 Feb: Urban Systems CEO, Wilfred Pinfold, Dataswyft CEO Irene Ng have a pre-Symposium fireside chat on the Citizen App, its importance, its purpose and how to get involved.
  • 21 Feb: Blogpost on citizen app with video of fireside chat and the Citizen app manifesto is out
  • 1 Mar: Citizen app project official launch at the 5th Symposium of the Digital Person