Product Specs
Product Specifications
Technical specifications for all seQRets products. Visit the shop to purchase.
Software
Desktop App
$99
Native desktop application built with Rust and Tauri. Provides the same encryption and splitting functionality as the web app, plus smart card integration, memory zeroization, code signing, SHA-256 share integrity verification with visual indicators, and an isolated WebView with no browser extension attack surface.
| Runtime | Rust (Tauri 2.x) + WebView |
| Platforms | macOS (ARM64/x64), Windows (x64), Linux (x64/ARM64) |
| Code Signing | Apple notarization (macOS), Authenticode (Windows) |
| Updates | Automatic delta updates via Tauri updater |
| Memory Safety | Rust zeroize crate with compiler-fence |
| Crypto Libraries | argon2, chacha20poly1305, zeroize (RustCrypto) |
| License | AGPLv3 |
- Code-signed binary
- Automatic delta updates
- Smart card integration
- All desktop platforms
Bundles
Backup Bundle
Popular$149
A complete starter kit for backing up your crypto secrets to physical smart cards. Includes the desktop app license, two smart cards, and a portable USB reader.
What's Included
- •1× Desktop App($99 each)
- •2× Smart Card($39 each)
- •1× USB Card Reader($29 each)
| Target User | Individual crypto holder wanting physical backups |
| Use Case | Personal seed phrase backup with smart card redundancy |
- Desktop App license
- 2× branded smart cards
- 1× portable USB card reader
- Quick-start guide
Inheritance Bundle
Best Value$299
The complete inheritance planning kit. Everything you need to create, encrypt, split, and physically distribute your crypto secrets across multiple trusted holders with tamper-proof packaging and fireproof storage.
What's Included
- •1× Desktop App($99 each)
- •5× Smart Card($39 each)
- •1× USB Card Reader($29 each)
- •1× Inheritance Guide (PDF)($24 each)
- •1× Tamper-Evident Envelopes($14.99 each)
- •1× Fireproof Case($49 each)
| Target User | Crypto holder planning for estate inheritance |
| Use Case | Full inheritance plan with physical distribution to family/locations |
- Desktop App license
- 5× smart cards
- 1× portable USB card reader
- PDF inheritance guide
- Tamper-evident envelopes
- Fireproof storage case
Hardware
Smart Card
$39
JCOP-based Java Card with the seQRets applet pre-installed. Used to store encrypted shares as a physical backup that can be read by the desktop app via a USB card reader.
| Card Type | Java Card (JCOP) |
| Interface | Contact (ISO 7816) |
| Applet | seQRets applet pre-installed |
| Standard | GlobalPlatform 2.3+ |
| Branding | seQRets logo printed on card |
- Contact interface
- JCOP applet compatible
Smart Card 3-Pack
Save$99
Three JCOP smart cards at a volume discount. Ideal for inheritance plans requiring multiple share holders, or as backup cards for replacements.
| Contents | 3× JCOP smart cards with seQRets applet |
| Savings | ~20% vs buying individually |
| Use Case | Multi-share inheritance plans, backup cards |
- 3× branded smart cards
- Volume discount
USB Card Reader
$29
Compact, portable USB smart card reader for communicating with JCOP smart cards via the seQRets desktop app. Plug-and-play on all major platforms.
| Connector | USB-A (USB 2.0) |
| Protocol | CCID (Chip Card Interface Device) |
| Card Interface | Contact (ISO 7816) |
| Platforms | macOS, Windows, Linux (no driver required on most systems) |
| Linux Note | May require pcsclite package |
- USB-A connector
- macOS / Windows / Linux
Accessories
Tamper-Evident Envelopes
$14.99
Security envelopes that reveal any unauthorized opening attempt. Use to distribute Qards (printed QR code shares) or smart cards to trusted holders.
| Pack Size | 5 envelopes |
| Tamper Indicator | VOID pattern appears when seal is broken |
| Use Case | Distributing shares to heirs, safe deposit boxes |
- 5-pack
- Void pattern on tamper
Fireproof Case
$49
Compact fireproof storage case rated for high-temperature protection. Designed to hold smart cards, printed Qards, and the inheritance guide.
| Fire Rating | 1,200 °F (649 °C) for 30 minutes |
| Contents Capacity | Smart cards, printed documents, small items |
| Use Case | Primary share storage location, document protection |
- Fits cards & documents
- 1,200 °F / 30 min rated
Guides
Inheritance Guide (PDF)
$24
Comprehensive PDF guide covering every aspect of crypto inheritance planning using Shamir's Secret Sharing. Includes checklists, templates, and legal considerations.
| Format | Downloadable PDF |
| Topics | Threshold selection, share distribution, beneficiary instructions, legal checklist |
| Use Case | Template for your inheritance letter of instruction |
- Printable PDF
- Legal considerations checklist