Jantar

A decentralized peer-to-peer file sharing and communication platform built with Rust, libp2p, and iroh. Technology demonstrator and explorative proof-of-concept that may serve as a reference implementation wallet for ZENYT cryptocurrency in the future.

Current Version: 0.2.1

Features

• Dual P2P Networking: libp2p for messaging + iroh-blobs for file distribution
• Cryptographically Signed Updates: Ed25519 verification with master key
• Cryptocurrency Support: Generate/validate addresses for ZENYT, BURST, NXT, ARDOR
• P2P Chat: Direct and broadcast messaging with peer discovery
• File Sharing: Content-addressed storage with automatic replication
• WebCLI Interface: Browser-based interface alongside terminal CLI
• Prometheus Metrics: System monitoring and observability
• GPU Acceleration: Optional OpenCL support for crypto operations
• NAT Traversal: AutoNAT v2, STUN, and relay support

Quick Start

Installation

Download the latest release for your platform from the releases page.

Basic Usage

1. Start with default config:

./jantar

2. Start with custom config:

./jantar -c mynode.cfg

3. Sample configuration:

name: "MyNode"
network:
  port: 4001
  bootstrap_nodes: []
storage:
  download_dir: "~/Downloads/jantar"
metrics:
  enabled: true
  port: 9090

Commands

Jantar uses hierarchical commands similar to git/docker:

File System

• fs ls [pattern] - List available files
• fs cp <hash> <filename> - Download file
• fs add <path> - Share file (master nodes only)

Network

• net peers - List connected peers
• net msg <peer> <message> - Send direct message
• net send <message> - Broadcast message

Cryptocurrency

• crypto gen [type] - Generate address (ZENYT, BURST, NXT, ARDOR)
• crypto val <address> - Validate address format
• crypto list - Show supported cryptocurrencies

Database

• db status - Show database information
• db query <sql> - Execute SQL query

System

• sys version - Show version information
• sys update - Check for updates

Quick Commands

• help [command] - Show help
• quit / exit - Exit application

Configuration

See docs/user/configuration.md for complete options.

Key Features

• Hierarchical YAML: Nested configuration structure
• Flexible Booleans: Supports yes/no, true/false, on/off
• Bootstrap Nodes: List of seed peers for network joining
• Security: Master key validation for updates
• Access Control Lists: Command restrictions per interface (terminal/RPC/web)

Documentation

• User Guide - Installation and usage
• Command Reference - Complete command list
• Configuration - Config file format
• Access Control - Command access restrictions

Contributing

Jantar is developed as a proprietary reference implementation. Community contributions are welcome through:

1. Feature requests: Submit through community discussion channels
2. Bug reports: Report issues through established communication platforms
3. Protocol improvements: Participate in CIP (Coin Improvement Proposal) process
4. Documentation: Help improve user guides and technical documentation

Independent implementations following published specifications are encouraged.

License

Experimental research software provided as technology preview. Use at your own risk with no warranties or guarantees.