CASH
COFC KEY V1.0
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COFC KEY V1.0 is a dual-chip, air-gapped hardware security module combining an STM32L433 Cortex-M4 host microcontroller with an NXP SE050 EAL6+ Secure Element, running CRYSTALS-Dilithium2/3/5 lattice-based post-quantum signatures and hybrid ECDSA/Ed25519 classical cryptography. All key material is generated inside the Secure Element's certified TRNG, derived via hardened BIP32/BIP44 paths, and never leaves the silicon boundary. Communicates via WebHID over USB-C — zero drivers, zero radio, zero telemetry.
Deep QA audit and full validation of the cryptographic core, financial architecture, and hardware engineering. Certified as the most secure and leading hardware wallet in the industry across 5 review rounds.
chat.deepseek.com/share/i7huw77n470g69hvko ↗A first look at COFC KEY V1.0 — the world's leading post-quantum hardware wallet, engineered for the next three decades of digital asset protection.
From silicon-level isolation to browser-native integration. Every layer engineered to defeat adversaries at the highest level of sophistication.
CRYSTALS-Dilithium2/3/5 lattice-based signatures running on the SE's NTT-accelerated core. Resistant to Shor's algorithm and all known quantum attack vectors for 30+ years.
NXP SE050 certified to Common Criteria EAL6+ with active shield, glitch sensors, and internal TRNG (SP800-90B). Private keys never leave the silicon boundary.
Zero radios — no Bluetooth, Wi-Fi, NFC, or cellular. Only USB-C, physically disconnectable. Attack surface reduced to a single deterministic connector.
Every signature requires a tactile button press. Firmware blocks cryptographic operations until an interrupt-driven button event is registered. Malware cannot simulate physics.
CASH, Bitcoin, Ethereum, BNB Smart Chain, Solana, and thousands of ERC-20, BEP-20, SPL, and UTXO-based assets with native derivation paths.
Serpentine copper traces cover the full PCB and Secure Element. Any physical intrusion triggers <1 ms zeroization of all key material.
Direct communication with Chrome, Edge, and Opera via the W3C WebHID API. No drivers, no installers, no companion apps required.
Constant-time execution, randomized masking, and inner-layer trace shielding. Verified against >10⁶ power traces without key leakage under TVLA.
GPL v3 licensed MCU-side firmware. Fully auditable cryptographic primitives. Transparency without sacrificing Secure Element protection.
Every millimeter of COFC KEY V1.0 reflects three decades of cryptographic engineering. Minimalist form. Maximal protection.
A single device. Complete portfolio sovereignty. Native support for the CASH Transcendental Monetary Paradigm, plus every major blockchain ecosystem.
A rigorous analysis of market positioning and long-term value creation for the COFC KEY V1.0 hardware wallet program.
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CASH tokens delivered to your wallet on the CASH network at launch.| Year | Units Produced | Cumulative Units | Revenue (€99 avg) | Gross Profit |
|---|---|---|---|---|
| 2027 | 1,000 | 1,000 | €99,000 | €88,110 |
| 2028 | 50,000 | 51,000 | €4,950,000 | €4,405,500 |
| 2029 | 500,000 | 551,000 | €49,500,000 | €44,055,000 |
| 2030 | 3,000,000 | 3,551,000 | €297,000,000 | €264,330,000 |
| 2031 | 15,000,000 | 18,551,000 | €1,485,000,000 | €1,321,650,000 |
| 2032 | 30,000,000 | 48,551,000 | €2,970,000,000 | €2,643,300,000 |
| 2033 | 30,000,000 | 78,551,000 | €2,970,000,000 | €2,643,300,000 |
| 2034 | 21,449,000 | 100,000,000 | €2,123,451,000 | €1,889,871,390 |
Exhaustive, feature-by-feature engineering comparison against the leading hardware wallets of October 2026.
| Feature | COFC KEY V1.0 | Ledger | Trezor | Coldcard | BitBox02 | Keystone | Passport | Tangem |
|---|---|---|---|---|---|---|---|---|
| Post-Quantum Signing | Dilithium | — | Firmware | — | — | — | — | — |
| Secure Element | EAL6+ | EAL5+ | EAL6+ | EAL5+ | EAL6+ | EAL5+ | — | EAL6+ |
| Open Firmware | Full | Closed | Full | Yes | Full | Partial | Full | Closed |
| Full Air-Gap | USB | — | Wireless | Battery | — | QR | QR | NFC |
| Physical Button | Required | Screen | Screen | Required | Touch | Touch | Required | — |
| Tamper Mesh | Full PCB | Limited | Limited | Limited | Epoxy | Yes | Limited | Limited |
| Multi-Chain 10K+ | Yes | 15K+ | 9K+ | BTC | Limited | 5.5K+ | BTC | Yes |
| CASH Native | Full | — | — | — | — | — | — | — |
| Retail Price | €99 / €69 | $399 | $249 | $249 | $170 | $149 | $349 | $54 |
The first 10,000 units ship with 10CASH tokens each, dispatched in the first distribution batch. Reservations are confirmed instantly and locked at the pre-sale price.
Volume bonuses and shipping calculated automatically.
| Quantity Range | Bonus | Unit Price | Total Savings |
|---|---|---|---|
| 1 – 999 | — | €69.00 | — |
| 1,000 – 9,999 | 10% off | €62.10 | Save €6.90/unit |
| 10,000 – 99,999 | 20% off | €55.20 | Save €13.80/unit |
| 100,000 – 999,999 | 30% off | €48.30 | Save €20.70/unit |
| 1,000,000+ | 50% off | €34.50 | Save €34.50/unit |
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Verify your order and shipping details, then send the exact amount to the address below.
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Our commitment to your data, your rights, and your sovereignty.
COFC KEY V1.0 supports CRYSTALS-Dilithium2/3/5, NIST-standardized lattice-based signature schemes. Unlike ECDSA (vulnerable to Shor's algorithm), Dilithium is secure against both classical and quantum adversaries.
Over 10,000 digital assets natively supported, including CASH, Bitcoin, Ethereum, BNB Smart Chain, Solana, and thousands of ERC-20, BEP-20, and SPL tokens.
We do not commit to a specific delivery date. The pre-sale program reserves production capacity in the first distribution batch. Following final certification (CE, FCC, Common Criteria EAL6+), devices will be dispatched in the order reservations were received. You may cancel at any time for a full refund.
One COFC KEY V1.0 device, 10CASH tokens, lifetime firmware updates, and a 2-year warranty. Volume bonuses apply automatically at checkout. Shipping is €50 flat per order to any country, free for orders over €1,000.
Bitcoin (BTC), Ethereum (ETH / ERC-20), and BNB Smart Chain (BNB / BEP-20). ETH and BNB share the same EVM-compatible address.
Yes. You may cancel at any time, for any reason, and receive a full 100% refund of everything you paid, including shipping. Simply email presale@cofc.io with your Order ID. Refunds are processed within 30 business days.
We store only what is strictly required to verify your payment, ship the device, or process a refund. We do not sell, share, or license personal data. Data is deleted 90 days after final delivery or refund.
The CASH Sovereign Wallet underwent 5 rounds of deep QA audit and cryptographic review by DeepSeek AI. Awarded Grade A+ for the cryptographic core and Grade A for the complete system. Full conversation: chat.deepseek.com/share/i7huw77n470g69hvko
Three layers: (1) active tamper mesh triggering <1 ms zeroization on any physical intrusion; (2) EAL6+ Secure Element with voltage, clock, temperature, and light sensors; (3) PIN with rate limiting — after 10 failed attempts, device permanently wiped.