A Working Demo Is Not Proof of Demand Post date July 20, 2026 Post author By Dave Saunders Post categories In api, career, cryptocurrency, newsletter, product-management, product-validation, startup-validation, Video
HackerNoon Projects of the Week: Bayan Flow, GAG Token, Shugert Post date July 17, 2026 Post author By Proof of Usefulness Post categories In ai-consumer-research, bayan-flow, conversion-rate-optimization, gag-token, proof-of-usefulness, proof-of-usefulness-hackathon, shugert, startup-validation
6 Failure Modes I Test Every AI Startup Idea Against Before Writing Code Post date June 16, 2026 Post author By Vitaliy R. Post categories In ai-startups, business-validation, distribution-strategy, founder-market-fit, product-development, startup-strategy, startup-validation, unit-economics
HackerNoon Projects of the Week: Regata, Doxreporter, and Cresva Post date May 22, 2026 Post author By Proof of Usefulness Post categories In cresva, developer-startup-ecosystem, doxreporter, product-validation, proof-of-usefulness, proof-of-usefulness-hackathon, regata, startup-validation
I Built an AI to Roast Startup Ideas. Day One, It Killed Mine. Post date May 14, 2026 Post author By Tobias Brida Post categories In ai, entrepreneurship, founders, industrial-automation, product-development, solo-founder, startup-validation, startups
HackerNoon Projects of the Week: MetaCoreX, ZKX Helix, and Tripvento Post date April 24, 2026 Post author By Proof of Usefulness Post categories In developer-hackathon, metacorex, product-traction-metrics, proof-of-usefulness, proof-of-usefulness-hackathon, startup-validation, tripvento, zkx-helix
HackerNoon Projects of the Week: Safe Trade Services, PvNP and Real-Time Data Quality Monitor Post date April 10, 2026 Post author By Proof of Usefulness Post categories In developer-hackathon, product-traction-metrics, proof-of-usefulness, proof-of-usefulness-hackathon, pvnp, real-time-data-quality-monitor, safe-trade-services, startup-validation
Sciencx
Sciencx