{"slug": "show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox", "title": "Show HN: HuPow – Proof-of-Work to stop AI bots in your inbox", "summary": "HuPow launches a Proof-of-Work messaging service to stop AI bots from flooding inboxes, using cryptographic hash verification instead of CAPTCHAs. The service costs $5 per month for unlimited verification links and instant email notifications.", "body_md": "Proof-of-Work protected messaging\n\n# Stop talking to bots.\n\nAI outreach is flooding your inbox. HuPow uses cryptographic Proof-of-Work to verify human intelligence. Reply to real people.\n\n[Start 7-Day Free Trial](/login)\n\nNo credit card required.\n\n## How HuPow works\n\nVerify, don't guess! HuPow is a Human proof of work solution.\n\nStep 01\n\n### Generate a link\n\nWhen an unknown contact reaches out, grab your unique HuPow link from your dashboard.\n\nStep 02\n\n### Contact verifies\n\nTheir browser solves a cryptographic hash. No annoying CAPTCHAs required.\n\nStep 03\n\n### Reply with confidence\n\nYou receive an instant notification. You now know it's a real human on the other side.\n\n## Simple Pricing\n\nStart free. Upgrade when you're ready.\n\n### Monthly\n\n$5/mo\n\n- ✓ Unlimited verification links\n- ✓ Instant email notifications\n- ✓ Custom display name\n\n[Get Started](/login)", "url": "https://wpnews.pro/news/show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox", "canonical_source": "https://hupow.app", "published_at": "2026-07-30 12:05:18+00:00", "updated_at": "2026-07-30 12:22:49.712908+00:00", "lang": "en", "topics": ["ai-safety", "ai-ethics", "ai-tools"], "entities": ["HuPow"], "alternates": {"html": "https://wpnews.pro/news/show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox", "markdown": "https://wpnews.pro/news/show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox.md", "text": "https://wpnews.pro/news/show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox.txt", "jsonld": "https://wpnews.pro/news/show-hn-hupow-proof-of-work-to-stop-ai-bots-in-your-inbox.jsonld"}}