Product Specs
Product Specifications
Technical specifications for all seQRets products. Visit the shop to purchase.
Software
Desktop App
Pricing TBA
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
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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
- •2× Smart Card
- •1× USB Card Reader
| 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 ValuePricing TBA
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
- •5× Smart Card
- •1× USB Card Reader
- •1× Inheritance Guide (PDF)
- •1× Tamper-Evident Envelopes
- •1× Fireproof Case
| 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
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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), dual-interface |
| Interface | Contact (ISO 7816) via USB reader — NFC not yet supported in-app |
| Applet | seQRets applet pre-installed |
| Standard | GlobalPlatform 2.3+ |
| Branding | seQRets logo printed on card |
- Contact interface
- JCOP applet compatible
Smart Card 3-Pack
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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 | Discounted vs buying cards individually |
| Use Case | Multi-share inheritance plans, backup cards |
- 3× branded smart cards
- Volume discount
USB Card Reader
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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
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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
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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)
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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