How It Works Why Specs FAQ Order
HushChip
Your Secrets
On a Chip
In Your Wallet
Your secrets. On a chip. In your wallet.
PIN-protected NFC smart card with an EAL6+ secure element. Store seed phrases, passwords, and anything you never want to lose.
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Under £10 — UK shipping included

HushChip is not a hardware wallet. It does not sign transactions. It is a vault for your secrets — seed phrases, passwords, recovery codes — stored on a secure chip you carry in your wallet.

How It Works
01
Order your card
Arrives in a plain envelope. No branding. No trace.
02
Download the app
Tap your card to your phone. Set a PIN. Done.
03
Store your secrets
Seed phrases. Passwords. Anything sensitive. Encrypted on the chip.
Why HushChip
Discreet
No branding. No logos. No crypto references. The card reveals nothing about what it is or what it holds.
Affordable
Under £10 including UK shipping. A fraction of what you would pay for alternatives.
Secure
EAL6+ certified secure element. PIN protected. Card locks permanently after failed attempts.
Open Source
Every line of code is on GitHub. AGPLv3 licensed. Verify it yourself.
UK Based
Ships from the UK. Fast delivery. No customs. No hassle.
Offline
No accounts. No cloud. No data collection. Your secrets never touch the internet.
Specifications
Chip
JCOP JavaCard, EAL6+ Common Criteria certified
Interface
NFC (ISO 14443) contactless + contact (ISO 7816)
Applet
SeedKeeper (AGPLv3 open source)
Capacity
Up to ~50 secrets (seed phrases, passwords, free text)
PIN
4–16 characters. Card locks permanently after failed attempts.
Backup
Encrypted card-to-card backup via the app
Dimensions
85.6 × 54mm (standard credit card size)
Source
github.com/hushchip
Order
£9.99
Includes UK shipping — plain envelope, no branding
EAL6+ Certified Open Source No Data Collection Lightning + On-chain
Questions

No. HushChip stores secrets — seed phrases, passwords, recovery codes — but does not sign transactions. Think of it as a secure backup vault, not a spending wallet.

Yes. The applet running on the card is licensed under AGPLv3. Full source code is published on GitHub. You can verify every line.

The card locks permanently after multiple failed PIN attempts. There is no recovery. Choose a PIN you will remember, and consider backing up to a second card.

HushChip runs the same open-source applet and is compatible with the SeedKeeper protocol. HushChip cards are not manufactured by Satochip. They run on independently sourced, EAL6+ certified hardware.

Yes. The app supports encrypted card-to-card backup. Tap your original card, then tap a second HushChip card to create an encrypted copy of all your secrets.

Yes. Lightning Network and on-chain payments via a self-hosted BTCPay Server. No third parties.

Cards ship as standard letters. UK delivery is included in the price. International shipping is available at cost.