Show HN: HuPow – Proof-of-Work to stop AI bots in your inbox

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.

Proof-of-Work protected messaging Stop talking to bots. AI outreach is flooding your inbox. HuPow uses cryptographic Proof-of-Work to verify human intelligence. Reply to real people. Start 7-Day Free Trial /login No credit card required. How HuPow works Verify, don't guess HuPow is a Human proof of work solution. Step 01 Generate a link When an unknown contact reaches out, grab your unique HuPow link from your dashboard. Step 02 Contact verifies Their browser solves a cryptographic hash. No annoying CAPTCHAs required. Step 03 Reply with confidence You receive an instant notification. You now know it's a real human on the other side. Simple Pricing Start free. Upgrade when you're ready. Monthly $5/mo - ✓ Unlimited verification links - ✓ Instant email notifications - ✓ Custom display name Get Started /login