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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Story
We all know that our personal information is potentially at risk to hackers when we use a credit card online or even when our card is physically swiped through a card reader. We take precautions and use trusted merchants.
The Pitch on Shark Tank
SignalVault – RFID Blocking Card appeared on Shark Tank (Season 7) in 2015. Crowd Hacking pitched the product to the Sharks.
Frequently Asked Questions
Is SignalVault – RFID Blocking Card still in business?
SignalVault – RFID Blocking Card is still listed on Amazon and eBay — see the buy links below for the latest availability.
Who founded SignalVault – RFID Blocking Card?
SignalVault – RFID Blocking Card was founded by Crowd Hacking.
Did SignalVault – RFID Blocking Card get a deal on Shark Tank?
Deal details from the original pitch aren't in our records.
Where can I buy SignalVault – RFID Blocking Card?
SignalVault – RFID Blocking Card is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Shark Tank
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