Theme

(Re)Solve Hackathon by Oπe\n

Innovation returns to Thessaloniki! The {Re}Solve Hackathon by Open | AI +
Blockchain: Code the Future is the beating heart of {Re}Think Digital 2K25, taking
place on September 12–14 at the Thessaloniki International Fair 2025 (TIF2025).
The event brings to the forefront the powerful convergence of Artificial
Intelligence and Blockchain to create solutions with real social and business impact.

AI + Blockchain: Code the Future @ Thessaloniki International Fair 2025

With a focus on building applications that combine intelligent analysis, decentralized
security, and true accessibility, the hackathon invites developers, startups,
designers, and innovators to collaborate on real-world use cases, creating tools that
promote transparency, data protection, and user empowerment.

Choose Your Challenge

Participants will work on one of the following challenge areas:

  • GOV and Policy
  • Fintech, Crypto & DeFi
  • Content Creation & Entertainment
  • Health, Well-being, Accessibility
  • Gaming, Cinema, Storytelling
  • Small Biz, Skills and Growth
  • Security, Blockchain, Infra
  • Smart Cities

Hybrid Participation

The hackathon will host onsite teams at TIF2025, as well as online teams from
Dubai, India, and Athens, strengthening the international dimension and connecting
the Greek tech community with global innovation ecosystems.

Registration for the teams is now Open

Apply your team and project details for a chance to participate at the (Re)Solve Hackathon by Open