Technical Specification
FJARCODE (FJAR) specifications
Complete reference for protocol behavior, network ports, node setup, and operational defaults.
Core Version
27.0.0
Mainnet P2P
28439
Mainnet RPC
28442
CashAddr
fjarcode:
Core Features
| Feature |
Value |
| Block Size | 32 MB |
| Block Time | 10 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 |
| Premine / Initial Distribution |
Mined for a few days with Bitaxe Gamma by a few friends. |
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: ./fjarcode-cli addnode "seed01.fjarcode.com:28439" "add"
ElectrumX (TLS)
| Host |
Port |
Security |
| electrumx01.fjarcode.com | 50002 | TLS |
| electrumx02.fjarcode.com | 50002 | TLS |