hackathons

Hackathon radar

Jul 21, 2026

backend grok-cli (SuperGrok Heavy sub, $0 marginal) · window last 24h


Celo Agentic Payments & DeFAI — submission now 2026-08-03 09:00 GMT (extended from ~Jul 20) — $5K CELO (4 tracks: $3K / $1K / $500 / $500) — remote — agentic payments + DeFAI on Celo; solo-friendly, register via Celo Builder Skill for attribution; small pool but real crypto rails — X @CeloDevs · Notion


Sweep notes (no other ranked new finds)

  • Re-verified UNCHANGED (not in JSON): OpenAI Build Week 2026-07-21 (openai.com/build-week · openai.devpost.com); SigNoz 2026-07-26 (wemakedevs); Casper Finals 2026-07-26 (DoraHacks); OKX.AI Genesis 2026-07-27 (OKX); WEEX AI Wars II 2026-07-31 (trading pre-reg, not code submit — DoraHacks); CDIR concept notes 2026-07-31 (page thin; secondary still Jul 31); WTF!! iExec 2026-08-01 (DoraHacks); Agentic Commerce 2026-08-02 (Devfolio); HackerRank Orchestrate Aug 2026-08-02 (24h from Aug 1 18:00 IST — HackerRank); AMD DevMaster 2026-08-06 (Luma).
  • Major labs (24h): only OpenAI Build Week final-day push (@OpenAIDevs); no new Anthropic/Google/xAI lab challenges.
  • Listings: Encode → Arc Programmable Money still live (known); DoraHacks/Akindo/ETHGlobal/Devpost → knowns only (Lisbon IRL Jul 24–26 / Gemini XPRIZE / Qwen end / CockroachDB); Evorozen = non-cash API credits only; Sarvam Epoch = IRL Bengaluru Jul 26 (not remote).