ETHTokyo ’25 merges a one-day Ethereum-focused conference with an intensive multi-day hackathon, inviting builders, developers, researchers, and creatives from around the globe to explore how technology can embolden freedom, enrich culture, and build a sustainable tomorrow.

Under the theme “Emancipatory Tech for the Future of Humanity,” ETHTokyo challenges participants to go beyond innovation for its own sake—it’s about reimagining societal norms and crafting technology that truly empowers humanity.

Conference highlights

  • Keynotes, panels, and workshops led by leading Ethereum visionaries and innovators
  • Presentation topics span privacy, user-centered design, cognition and cryptography, rollup interoperability, and on-chain AI agents, including a developer-focused AMA with Ethereum co-founder Vitalik Buterin.

Hackathon experience

  • A three-day building sprint centered around core themes like privacy, cryptography, DeFi, governance, and real-world assets
  • All-inclusive participation through a modest ticket fee (~US $90); projects that complete submissions receive ticket refunds
  • Active mentorship, collaborative demos, and a culture of inclusion and creativity.
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Hedera Africa Hackathon
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ETHTokyo 2025
Sep 12th, 2025 — Sep 15th, 2025 ETHTokyo 2025 Tokyo, Japan