FAQs
Cardware Wallet FAQs
Q: What is Cardware Wallet?
A: Cardware Wallet is a hardware wallet designed to securely store and manage your digital assets offline. It features a screen, camera, and physical buttons, allowing for secure transaction signing without connecting to the internet. The device operates in an air-gapped environment, ensuring that private keys remain isolated from online threats.
Q: How does Cardware Wallet ensure security?
A: Cardware Wallet incorporates a comprehensive range of security features:
Air-Gapped and Offline Operation:
No network connectivity (no internet, Bluetooth, or Wi-Fi) means it’s never exposed to remote attacks.
Private keys and transaction data remain confined to the device, reducing the risk of unauthorised access.
High Entropy Key Generation:
Users can generate private keys using three distinct methods:
Hashed Video Stream: Every pixel in each frame captured by the camera is hashed, then iteratively combined into a final hash, introducing highly unpredictable variability from real-world visuals.
D20 Dice Rolls (64 rolls): Each face outcome of a 20-sided die is manually entered, feeding random data into the entropy pool.
D6 Dice Rolls (100 rolls): Similar process with a standard 6-sided die, ensuring a large entropy pool through repeated real-world randomness.
These methods ensure unique, unpredictable private keys resistant to brute-force or duplication attacks.
EAL6+ Certified Secure Element Chip:
All cryptographic operations and private key storage occur within an EAL6+ certified secure element, which undergoes rigorous evaluation to withstand advanced physical and logical attacks.
Firmware Integrity and Non-Upgradability:
The firmware is stored in secure, read-only memory and cannot be updated.
As a dedicated signing device, Cardware Wallet does not require firmware upgrades, eliminating potential attack vectors through update mechanisms.
Read/Write Protection:
The secure element and microcontroller feature hardware-level safeguards against unauthorised read or write operations.
These protections help prevent physical tampering or malicious code injection.
USB-C Power-Only Port:
The USB-C interface provides power only; data lines are physically disconnected seen on the circuit board through our transparent casing.
This design protects against data transfer-based exploits or malicious cables.
Secure Transaction Signing via PSBT and QR Codes:
The wallet relies on PSBT to sign Bitcoin transactions offline.
Transaction data is transferred in and out solely by scanning QR codes, keeping private keys permanently contained within the secure element.
Combined, these measures create a robust security framework that protects your private keys and digital assets from a wide array of potential threats.
Q: Who is Cardware Wallet intended for?
A: Cardware Wallet suits a broad spectrum of users:
Individual Users: Those seeking a reliable and user-friendly way to secure personal cryptocurrency holdings.
Institutions: Organizations needing secure management and offline custody for large volumes of digital assets.
Its straightforward interface, offline design, and advanced security features make it an ideal choice for anyone valuing maximum protection of their private keys.
Q: What cryptocurrencies does Cardware Wallet support?
A: Cardware Wallet supports:
Bitcoin (BTC) - BTC Only Product
Ethereum (ETH) and other EVM-based chains/tokens - BTC & EVM Product
This allows you to manage multiple digital assets (or BTC Only) under a single, secure hardware wallet solution.
Q: How do I purchase a Cardware Wallet?
A: You can purchase a Cardware Wallet directly from our official website or through authorised retailers. To place an order:
Visit our online store: Purchase Cardware Wallet
Select the desired product (e.g., Cardware BTC)
Add the product to your cart and proceed to checkout.
Complete the payment process by selecting your preferred payment method.
Q: How much does Cardware Wallet cost?
A: The Cardware Wallet 1.0 flagship product is priced at $77 USD, excluding VAT and shipping costs. Prices may vary depending on the model and any additional options or warranties selected.
Q: What payment methods do you accept?
A: We accept various payment methods, including credit/debit cards, bank transfers, and cryptocurrency payments (BTC, USDT, USDC). You can select your preferred payment option during the checkout process on our website.
Q: How long does shipping take?
A: Shipping times vary depending on your location and the selected shipping method. Orders are typically processed within 1-2 business days. Delivery times range from 5 to 21 business days, depending on the destination country and the shipping option chosen at checkout.
Q: Do you offer international shipping?
A: Yes, we offer international shipping to most countries worldwide. Shipping costs and delivery times may vary based on the destination. Please refer to the shipping information provided during the checkout process for details specific to your location.
Q: How do I contact customer support?
A: You can reach our customer support team through the following methods:
Email: Send your inquiries to contact@cardwarewallet.com
Discord: Create a ticket on Discord and our friendly team will be able to assist.
Our support team is available to assist you with any questions or issues you may have regarding your Cardware Wallet.
Q: Is the Cardware Wallet firmware upgradable?
A: No. The firmware is permanently installed in secure read-only memory. As a dedicated offline signing device, Cardware Wallet does not require updates. This ensures a minimal attack surface and prevents firmware tampering or malicious injections via update mechanisms.
Q: How do I set up my Cardware Wallet?
A: To set up your Cardware Wallet:
Power the Device: Connect the wallet to a power source using a USB-C cable. Ensure that only the power and ground connections are active; all data lines are disconnected.
Initialise the Wallet: Follow the on-screen instructions to create a new wallet. The device will generate a 24-word mnemonic seed phrase during this process.
Backup Your Seed Phrase: Carefully write down the seed phrase on the provided seed phrase paper or the durable steel seed phrase sheet included in the package. Store it securely in a safe place.
Start Using the Wallet: Use the device's camera and QR code functionality to interact with the Cardware application for managing your digital assets.
Q: How does the QR code transaction process work?
A: Cardware Wallet uses QR codes to securely transfer transaction data between the hardware wallet and the Cardware application without establishing a data connection:
Create Transaction: In the Cardware Web App, compose a BTC transaction. The app generates a QR code with the Partially Signed Bitcoin Transaction (PSBT) data.
Scan with Cardware Wallet: Click on "Scan" on the Cardware device and capture the PSBT QR codes. You will need to click next on each QR code as you scan through them all.
Review and Sign: Verify transaction details on the device screen. If correct, approve using the physical buttons. The secure element signs the transaction internally.
Output Signed PSBT: The wallet displays a QR code containing the signed transaction.
Broadcast: Scan the signed PSBT QR code on the Cardware Web App to send it to the Bitcoin network.
This process ensures private keys never leave the secure element chip.
Q: What should I do if I lose my Cardware Wallet or it gets damaged?
A: If your Cardware Wallet is lost or damaged, you can recover your digital assets using the 24-word mnemonic seed phrase generated during the initial setup:
Obtain a New Hardware Wallet: Purchase a new Cardware Wallet device.
Restore Wallet: During the setup process, select the option to restore from an existing seed phrase.
Enter Seed Phrase: Carefully input your 24-word seed phrase into the new device.
Complete Setup: Once the seed phrase is verified, your wallet will be restored, and you can access your digital assets as before.
Important: Keep your seed phrase confidential and stored in a secure location. Anyone with access to your seed phrase can control your digital assets.
Q: Does Cardware Wallet support multisignature wallets?
A: Yes, Cardware Wallet supports multisignature (multisig) wallet configurations. This allows you to set up wallets that require multiple private keys to authorize a transaction, enhancing security by distributing signing authority.
Q: Can I use Cardware Wallet with other wallet applications?
A: Absolutely, Cardware Wallet is designed to be compatible with standard cryptocurrency protocols and can be used with various wallet applications that support QR code-based communication and adhere.
Q: How do I ensure the authenticity of my Cardware Wallet device?
A: To verify the authenticity of your Cardware Wallet:
Purchase from Authorised Sources: Only buy the device from our official website or authorised retailers.
Inspect the Packaging: Check for tamper-evident seals and ensure the packaging is intact.
Verify Hardware Integrity: The wallet features a transparent casing allowing you to visually inspect internal components. Confirm that only power and ground connections are active on the USB-C port, with all data lines disconnected.
Q: Is there a warranty for the Cardware Wallet?
A: Yes, the Cardware Wallet comes with a standard one-year warranty covering manufacturing defects and device malfunctions. Additionally, we offer "Top Up" warranty options to extend coverage:
One-Year Top Up: Extends warranty coverage to a total of two years.
Two-Year Top Up: Extends warranty coverage to a total of three years.
For detailed information on warranty terms and conditions, please refer to our warranty policy available on our website.
Q: Do you offer business solutions or bulk purchases?
A: Yes, we offer B2B solutions for organisations interested in providing secure, branded hardware wallets to their clients or members. Our solutions include customisation options and seamless integration with existing platforms. For more information, please visit our B2B Solutions page or contact our sales team at contact@cardwarewallet.com.
Q: How do I stay updated on Cardware Wallet news and updates?
A: Stay informed about the latest news, product updates, and announcements by following us on social media platforms:
If you have any additional questions or require further assistance, please do not hesitate to contact our customer support team.
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