City Resilience Hack

Create solutions for safer cities!

On 24-25 September 2026, Tallinn will host an international hackathon as part of Estonian Defence Week. During two intensive days, new solutions will be born to make cities safer and more resilient.

The Hackathon will take place at the Energia Avastuskeskus (Energy Discovery Centre) and will bring together participants from all over Europe in cooperation with the cities of Tallinn, Valencia, Helsinki, Lviv and Dnipro.

The hackathon offers a €75,000 prize fund, with the best teams receiving cash prizes, opportunities to further develop their solutions with cities, and access to test environments and pilot projects.

By joining City Resilience Hack, you will have the opportunity to:

• work on real challenges from partner cities

• collaborate with people from business, defence, technology, design, public sector and research

• receive feedback from mentors and experts

• develop a solution with practical relevance

• win prize money

• gain access to test environments and pilot projects in partner cities

• compete for an opportunity to join the Tehnopol acceleration programme and receive support for further developing your solution

• expand your international network

• contribute to safer and more resilient urban environments

Who we are looking for

To create pilot-ready solutions that make cities safer and more resilient, we are looking for talent, teams, and startups across business, defence, technology, data, cybersecurity, logistics, urban planning, health, UX, and UI design to hack together.

Challenges

• Smart & connected digital platforms

• Crisis readiness and communication

• Resilient critical systems and operational response

• Integrated health and social resilience

City Resilience Hacki is organized by the city of Tallinn and Tehnopol in co-operation with partner cities Valencia, Helsinki, Dnipro and Lviv.

Application deadline 10 September.

As participants are selected and teams formed on a rolling basis, we recommend applying as early as possible.

Learn more and applyhere.