Architecture & Operation
CryptPeer® is designed to start from a microcomputer and scale to your largest platforms — from Raspberry Pi 5 to enterprise server, NAS and VPS.
Autonomous Relay Server
The relay server plays a blind transit role: it never sees plaintext. The database and metadata are encrypted upstream.
Compatible with:
- Raspberry Pi 5 (minimum configuration)
- Intel/AMD Mini-PC
- Desktop PC
- NAS (Network Attached Storage)
- Linux VPS (Virtual Private Server)
Sovereignty through Independence
CryptPeer® works on any Linux-compatible computer. No dependency on a specific brand.
Compatible with:
- Any Linux computer (Raspberry Pi, mini-PC, PC, NAS, VPS)
- Sovereign hardware (KUBB, DataShielder, etc.)
- Energy-autonomous solutions
- Standard market hardware
Absolute sovereignty: Zero hardware dependency, zero intermediary, zero delegation. You control your infrastructure.
Partnership: As part of a partnership with Bleu Jour, we test and recommend their mini-computers, without exclusivity.
EviEngine — Hardware-Based License
Freemindtronic's EviEngine technology embedded in CryptPeer® for license management without servers or databases.
Features:
- Hardware-based license: Motherboard serial number, not based on a person's identity
- No server or database: Operates locally, without dependency on external services
- Offline operation: CryptPeer® can operate in local network without Internet connection
- Preserved anonymity: Since the license is linked to hardware and not identity, anonymity is preserved
Enhanced sovereignty: CryptPeer® can operate in local network even offline, with an economic model independent of external services.
Clients — All Devices
Works on all devices worldwide — nothing to install
- Computer, phone, tablet
- Smart TV, media
- Ultra mobile, immediate use
- Multilingual offline interface (14+ languages)
Maximum interoperability:
Compatible with 60+ web browsers (Chrome, Firefox, Safari, Edge, Opera, Brave, Vivaldi, and all their forks). Works on smart TVs (Samsung, LG, Android TV), consoles (PlayStation, Xbox, Switch), and embedded systems. No competitor offers this exhaustive compatibility. Full list →
HSM
Secure storage of secrets with master passphrase > 256 bits.
- PassCypher NFC HSM (Android NFC)
- PassCypher HSM PGP (PC)
Access Modes
Local-Only
Closed network (private Wi-Fi AP), without SIM/Internet. Operates entirely locally, ideal for secure environments or in case of WAN blocking/censorship.
Autonomous closed network
No Internet connection required
Remote Access
Firewall/router configuration (NAT / reverse proxy) + domain name/subdomain for Let's Encrypt.
Let's Encrypt (SSL/TLS)
Alternative: DuckDNS + Nginx
Compatibility & Portability
Linux
Raspberry Pi 5, mini-PC, PC, NAS, VPS
Low consumption
Minimal hardware footprint
Portable
Easy to move format
Hardware Details & Consumption
Sizing according to your needs: CryptPeer® usage limits are primarily related to processing load from simultaneous group videoconferences and/or multiple simultaneous individual videoconferences, as well as relay buffer storage on the server. It is essential to understand your company's needs to choose the best hosting configuration, whether fixed or mobile on a mini-computer.
Raspberry Pi 5
Weight (Complete Set)
~120 g
Board + ventilated case (indicative value)
Annual Consumption
~35 kWh/year
Continuous 24/7 usage
Estimated Annual Cost
~€8.10
Average electricity rate
Power Consumption
| Operating State | Consumption (Watts) | Details |
|---|---|---|
| Idle | 2.4 to 3.3 W | Without connected peripherals |
| Maximum load | 9 W | Intensive use (computing, video, etc.) |
| Estimated average usage | 4.0 W | Typical operation over a day |
Configurations Tested by Freemindtronic
The configurations below have been tested and validated by Freemindtronic to give you a clear vision of performance and power consumption. These data are essential since the server runs 24/7, and consumption can prove less costly than external hosting.
KUBB Secure Mini Fanless
Fanless mini-computers (no fan), ideal for environments requiring silence, reliability, and regulatory compliance (GDPR, NIS2, CSA, DORA). Tested and validated by Freemindtronic as part of our partnership with Bleu Jour.
KUBB Secure Mini (N150)
Standard configuration
Processor
Intel® N150 (4 Cores, 4 Threads, 3.6 GHz)
Memory
16 GB LPDDR5 4800 MHz
Storage
SSD M.2 NVMe PCIe 256 GB
Network
Wi-Fi 6 AX201, Bluetooth® 5.2, Ethernet 1Gbps
Power Supply
AC-DC 12V 2.5A 30W Type-C
Security
PassCypher HSM PGP pre-installed (30 days free)
Dimensions & Weight
8 cm × 8 cm × 8 cm — ~500 g
KUBB Secure Mini (i3-N300)
High performance configuration
Recommended for intensive videoProcessor
Intel® Core™ i3-N300 (8 Cores, 8 Threads, 3.8 GHz)
Memory
16 GB LPDDR5 4800 MHz
Storage
SSD M.2 NVMe PCIe 256 GB
Network
Wi-Fi 6 AX201, Bluetooth® 5.2, Ethernet 1Gbps
Power Supply
AC-DC 12V 2.5A 30W Type-C
Security
PassCypher HSM PGP pre-installed (30 days free)
Dimensions & Weight
8 cm × 8 cm × 8 cm — ~500 g
Sizing Guide
Raspberry Pi 5
Ideal for small teams, basic usage (messaging, file transfers). Limited for multiple simultaneous videoconferences.
KUBB N150
Standard configuration for businesses. Supports multiple simultaneous individual videoconferences. GDPR/NIS2 compliance.
KUBB i3-N300
High performance: simultaneous group videoconferences, multiple individual videos. Double processor performance vs N150.
Factors to consider: Number of simultaneous users, frequency of group videoconferences, required buffer storage volume, mobility needs (fixed vs mobile), and regulatory compliance.
Economics & Power Consumption
Economic Comparison: Self-Hosting vs External Hosting
Self-Hosting
Raspberry Pi 5 (example)
Estimated annual cost:
~€8.10
Consumption: ~35 kWh/year
- Initial investment: ~€100-150
- Total control of infrastructure
- No monthly subscription
- Data hosted locally
External Hosting
VPS / Cloud (example)
Estimated annual cost:
~€120-600
Subscription: €10-50/month
- Recurring monthly subscription
- Dependency on provider
- Data hosted with third party
- Variable costs based on usage
Return on investment: With a Raspberry Pi 5, the initial investment is amortized in less than 2 months compared to basic external hosting. For more powerful configurations (KUBB), amortization is generally achieved in 6-12 months depending on the level of external hosting compared.
24/7 Power Consumption: Real Impact
The power consumption of a server running 24/7 may seem significant, but it generally remains negligible compared to external hosting costs. Here are some concrete examples:
Raspberry Pi 5
~35 kWh/year
~€8.10/year
KUBB N150
~65 kWh/year*
~€15/year*
KUBB i3-N300
~80 kWh/year*
~€18/year*
Note: Values marked with an asterisk (*) are estimates based on an average consumption of 7-9W in continuous operation. Actual values may vary depending on usage and configuration.
Deployment & Resilience
Immediate Deployment
Fully autonomous solution, integrates into any existing infrastructure.
- Operates on local closed network
- Remotely accessible (optional)
- Minimal configuration required
Resilience & Continuity
Architecture designed for service continuity.
- Server-hopping: Manual switching to another relay (via Server Manager) — automation planned
- Multi-instances: Difficult to detect/stop
- No third-party dependency: No VPN or external service required
CryptPeer Ecosystem: Complementary Products
To complete your CryptPeer® infrastructure and optimize security, backup, and data restoration, several complementary products are available. These solutions integrate perfectly with CryptPeer to offer a complete security ecosystem.
KUBB Secure Mini Fanless
CryptPeer Hosting
Fanless mini-computer (N150 or i3-N300) ideal for hosting your CryptPeer® server. Absolute silence, low consumption, GDPR/NIS2 compliance.
PassCypher HSM PGP pre-installed
16 GB RAM, 256 GB NVMe SSD
Consumption: ~7-9W
EviKey NFC Secure
Backup & Storage
Contactless secure USB drives to store your CryptPeer® backups (conversation threads, encrypted files). Secure contactless access control. Hardened to the extreme, waterproof.
Premium: USB2 ultra 8/16/32/64/128 GB
Pro: USB2 ultra 8/16/32/64/128 GB
Conversation restoration
PassCypher HSM PGP
PC Access Security
HSM password manager to secure access to CryptPeer® on computer. Passphrases >256 bits, TOTP secret keys, secure 2-click connection.
Passphrases >256 bits
TOTP secret keys
2-click connection
Complementary use cases:
- Backup & Restoration: Use EviKey NFC to backup your CryptPeer® conversations and encrypted files. Quick restoration in case of data loss.
- Enhanced access security: PassCypher HSM PGP (PC) and PassCypher NFC HSM (Android) allow securing access to CryptPeer® with passphrases >256 bits and TOTP secret keys.
- Complete infrastructure: KUBB Secure Mini Fanless to host CryptPeer® in a silent, energy-efficient, GDPR/NIS2 compliant environment.