Blockchain Lab Hackathons

Tracker for blockchain / web3 hackathons Blockchain Lab may enter. One issue per hackathon (new hackathon), one per entry (new entry). Start entries from Blockchains/hackathon-entry-template.

Labels: status:open → status:applied → status:building → status:submitted → status:won / status:not-placed (or status:closed if skipped/expired) · platform:* · format:online|in-person

Open hackathons · All

Seeded 3 Oct 2026 (open or upcoming, verified on organiser pages)

Hackathon	Dates	Prize	Format	Link
Solana — Perps and Prediction Markets	one-week build; deadline 9 Oct 2026	$100,000 (1st $50k / 2nd $30k / 3rd $20k)	Online	https://hackathons.solana.com/hackathons/perps-and-prediction-markets
Monad Metropolis	1 Sep – 13 Oct 2026 (submission deadline 13 Oct; winners 3 Nov)	$250,000+	Online	https://www.monad.xyz/metropolis
Encode London Hackathon	23 – 25 Oct 2026	Prizes TBA (bounties / partner challenges)	In person, London	https://luma.com/encode-london-2026
IEEE ClimateChain Global Hackathon (AI + blockchain)	5 – 25 Oct 2026	$3,000 cash (students only)	Online	https://ieee-climatechain-hack.devpost.com/
TUM Blockchain & AI Hackathon — Agentic Payments	30 – 31 Oct 2026	€4,000 BSV track (more tracks TBA)	In person, Munich	https://tum.devfolio.co/overview
BNB Chain — The Smart Money Era: Set and Earn	1 Oct – 5 Nov 2026 12:00 UTC	$10,000 in merchandise (first 100 wallets)	Online	https://www.bnbchain.org/en/hackathons/smart-money-era-set-and-earn
ETHGlobal Mumbai	5 – 7 Nov 2026 (submissions by 8 Nov 09:00 IST)	Partner prize pools (largest $20,000)	In person, Mumbai	https://ethglobal.com/events/mumbai

Not seeded: no currently open DoraHacks or Gitcoin web3 hackathon could be verified on the organiser's own page on 3 Oct 2026 (DoraHacks blocks automated reads; Gitcoin had no hackathon listed).

Live calendar of events and hackathons: https://blockchains.github.io/events/

Use as a building block

For AI agents and builders: read AGENTS.md (setup, commands, structure, rules), llms.txt (doc map) and the machine-readable blocks.json (schema). How all Blockchains blocks fit together: Build with Blocks · org catalogue: https://blockchains.github.io/blocks.json.

What it exports

Export	Type	Install / access
issues API	http	gh issue list -R Blockchains/hackathons
.github/ISSUE_TEMPLATE/	file	.github/ISSUE_TEMPLATE/hackathon.yml

Minimal example

gh issue list -R Blockchains/hackathons --state open --json number,title,url

Inputs → outputs

• In: issue form (GitHub issue)
• Out: tracker issues (GitHub issues); README table (Markdown)

Composes with

• Blockchains/hackathon-entry-template: link the tracker issue from your entry
• Blockchains/blockchainlab-feeds: automated hackathon feed
• Blockchains/blockchainlab-api: hackathons dataset

Versioning & stability: stable. Issue forms are stable; README table is refreshed by hand.

Licence

No licence file; this is an issue tracker. Event details belong to their organisers.

Contributing

Issues and pull requests are welcome. Please read the contributing guide, code of conduct and security policy first.

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