5 months ago

And the winner is...

The judges have weighed in, and we're excited to share the news! Go to the HackHarvard 2025: Compile the Decade gallery to congratulate the winners and check out all of the awesome submissions.

Even though the competition is over, you don't have to stop coding. Update your portfolio to inform your followers about new projects and get feedback from fellow hackers.

Questions?

If you have any questions about the hackathon, please post on the discussion forum.

5 months ago

[ACTION-REQUIRED] Presubmission Form

As posted in the discord, you must submit a presubmission form by 3PM today to be considered for judging. Good luck!

5 months ago

Coolant Challenge Information

3D Vision for Climate: Coolant’s Sustainability Challenge Track for Hackharvard

Overview

Climate action requires precise, actionable data about our physical environment. This innovative track harnesses cutting-edge 3D reconstruction technologies – including Gaussian Splatting, Neural Radiance Fields (NeRF), and Structure-from-Motion – to create powerful environmental intelligence solutions. Participants will develop applications that transform visual data into climate insights, bridging the gap between advanced computer vision and environmental sustainability.

Hacker's Mission

Build a 3D model of a real-world location using cutting-edge reconstruction techniques, then derive actionable environmental insights from your model.

Technical Challenge

  • Create a high-fidelity 3D reconstruction using methods like NeRF,…

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5 months ago

Visa Track Additional Info

🚀 Hackathon Theme

Trust & Transparency: Multi-Factor Payment Security for the Web

Online payments are faster than ever — but speed often comes at the cost of security.
From phishing attacks to stolen card numbers, consumers and merchants face constant threats.
What if we could make multi-factor authentication (MFA) for payments as simple as adding a JavaScript snippet — no complex integration, no dependency on a single payment provider?

This track challenges participants to design a universal, drop-in MFA layer for online transactions that works with any payment gateway (Stripe, PayPal, Square, etc.), offering biometric, OTP, or hardware-key verification…

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