1. What You Are Buying

A HushChip card is a pre-flashed NFC JavaCard smartcard running the open-source SeedKeeper applet on an EAL6+ certified secure element. It stores secrets — seed phrases, passwords, and other sensitive data — protected by a PIN code you set.

HushChip is not a hardware wallet. It does not sign transactions, connect to blockchain networks, or manage funds. It is a secure storage device for sensitive information.

HushChip cards are not manufactured by Satochip S.R.L. They run the same open-source applet (licensed under AGPLv3) on independently sourced, certified hardware. HushChip is not affiliated with, endorsed by, or associated with Satochip.

2. PIN and Security

When you set up your card, you choose a PIN (4–16 characters). This PIN is the only way to access the secrets stored on the card.

There is no PIN recovery. If you forget your PIN and exhaust all entry attempts, the card locks permanently. The data on it cannot be retrieved — by you, by us, or by anyone.

It is your responsibility to remember your PIN. HushChip cannot help you recover a locked card.

3. Your Responsibility

You are solely responsible for:

• Choosing and remembering a secure PIN
• Maintaining backups of your secrets (the app supports encrypted card-to-card backup)
• Deciding what to store on the card
• Understanding the risks of self-custody of cryptocurrency or other sensitive data

HushChip does not provide financial advice. Storing cryptocurrency seed phrases on any device carries risk. You should understand these risks before use.

4. Compatibility

HushChip cards are compatible with the SeedKeeper protocol. They work with the HushChip companion app and other SeedKeeper-compatible software.

HushChip cards may not pass the "Verify Card" authenticity check in Satochip's own applications, as they are manufactured on different hardware. This does not affect the card's functionality or security.

5. Open Source Software

The applet running on your HushChip card is licensed under the GNU Affero General Public License v3 (AGPLv3).

The full source code is available at: github.com/hushchip

By purchasing a HushChip card, you receive a copy of AGPLv3-licensed software. You are entitled to access the source code, modify it, and redistribute it under the same licence. Original copyright notices are preserved in the source repository.

6. Pricing and Payment

All prices on hushchip.co.uk are in GBP (British Pounds Sterling) and include UK shipping unless stated otherwise.

We accept payment via:

• Card (Visa, Mastercard, etc.) — processed by Stripe
• Bitcoin (Lightning Network and on-chain) — processed via BTCPay Server

Payment is taken at the time of order. Orders are processed and shipped within [X] working days.

7. Shipping

Orders are shipped via Royal Mail as standard letters from the United Kingdom. Packaging is plain with no external branding or references to the product contents.

Estimated delivery times:

• UK: 1–3 working days (Royal Mail)
• International: 5–14 working days (varies by destination)

Standard shipping is untracked. We are not responsible for items lost in transit by Royal Mail. If your order does not arrive within a reasonable timeframe, contact us and we will investigate.

8. Consumer Rights

If you are a consumer in the United Kingdom, your statutory rights under the Consumer Rights Act 2015 and the Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013 are not affected by these terms.

See our Returns and Refund Policy for details on cancellations, returns, and refunds.

9. Limitation of Liability

To the fullest extent permitted by law:

• HushChip's total liability to you for any claim arising from your purchase or use of a HushChip card is limited to the price you paid for the product.
• HushChip is not liable for any loss of cryptocurrency, passwords, data, or other secrets stored on the card, howsoever caused.
• HushChip is not liable for any indirect, consequential, or incidental losses.

Nothing in these terms excludes or limits liability for death or personal injury caused by negligence, fraud, or any other liability that cannot be excluded by law.

10. Product Description Accuracy

We describe our products as accurately as possible. The chip model, certification level, and applet version are stated on the product page. If you believe a product does not match its description, contact us and we will resolve it in accordance with the Consumer Rights Act 2015.

11. Governing Law

These terms are governed by the laws of England and Wales. Any disputes will be subject to the exclusive jurisdiction of the courts of England and Wales.

12. Company Details

HushChip is a trading name of:
Gridmark Technologies Ltd
[REGISTERED ADDRESS]
Company registration number: [NUMBER]
Email: [SUPPORT EMAIL]

13. Changes to These Terms

We may update these terms from time to time. The updated version will be posted on this page with a revised date. Continued use of our products or website after changes constitutes acceptance of the updated terms.