Technical Specification
FJARCODE (FJAR) SHA3-256T specifications
Complete reference for protocol behavior, network ports, node setup, and operational defaults.
Core Features
| Feature | Value |
|---|---|
| Block Size | 32 MB |
| Block Time | 1 minutes |
| Difficulty Adjustment | ASERT (aserti3-2d, 2-day half-life) |
| Address Format | CashAddr (fjarcode:q...) |
| Legacy Base58 | Available (prefix: 0x00) |
| SegWit | Disabled |
| Coin Symbol | FJAR |
| Block Reward | 50 FJAR |
| Halving Interval | 210,000 blocks |
| Max Supply | 21,000,000 FJAR |
Configuration
Create a configuration file at ~/.fjarcode/fjarcode.conf:
# Network
listen=1
maxconnections=125
port=28439
# RPC
server=1
rpcuser=yourusername
rpcpassword=yourpassword
rpcallowip=127.0.0.1
rpcport=28442
# Performance
dbcache=450
maxmempool=300
# Optional: Prune old blocks (saves disk space)
# prune=10000
Network Info
| Network | P2P | RPC |
|---|---|---|
| Mainnet | 28439 | 28442 |
| Testnet | 29439 | 29442 |
| Signet | 30439 | 30442 |
| Regtest | 31439 | 31442 |
Discovery & Wallet Servers
DNS Seeds
| Type | Host |
|---|---|
| Seed | seed01.fjarcode.com |
| Seed | seed02.fjarcode.com |
Manual peer: addnode "seed01.fjarcode.com:28439" "add"
Current seed01.fjarcode.com dns lookup
addnode "213.181.99.68:28439" "add"
addnode "46.7.7.113:28439" "add"
addnode "199.247.26.170:28439" "add"
addnode "213.181.99.66:28439" "add"
addnode "45.76.25.60:28439" "add"
ElectrumX (TLS)
| Host | Port | Security |
|---|---|---|
| electrumx01.fjarcode.com | 50002 | TLS |
| electrumx02.fjarcode.com | 50002 | TLS |
| electrumx03.fjarcode.com | 50002 | TLS |