Step‑by‑Step Guide to Quickly Deploy JD Chain Blockchain Environment

This article provides a detailed tutorial for deploying JD Chain, an open‑source blockchain engine, covering everything from downloading installation packages to launching peer and gateway nodes.

1. Download and unzip packages cd /export/jdchain unzip jdchain-peer-1.1.0-xxx.zip –d peerX (peer node) unzip jdchain-gateway-1.1.0-xxx.zip –d gw (gateway node)

2. Configure ports Management tool ports: 8000, 8001, 8002, 8003 Peer node ports: 7080, 7081, 7082, 7083 Installation path: /export/jdchain

3. Install and start each peer node cd /export/jdchain/peerX/bin sh jump-start.sh Check logs with tail -f jump.out -n 100

4. Create public/private keys Access the management tool UI (e.g., http://192.168.151.39:8000 ) → Public‑Private Key Management → Generate Key . Fill in required information and save.

5. Create a data ledger Select one node as the coordinator, generate an invitation code, and have the other three nodes join using that code. In the UI, go to Ledger → Initialize Ledger and configure:

Consensus protocol: Bftsmart

Encryption algorithm: default

Number of participants (including coordinator)

Unique database name per node

After filling the information, click Save Configuration on all nodes, then click Start to initialize the ledger.

6. Start the gateway node cd /export/jdchain/gw/config vi gateway.conf (modify ports and add keys) sh startup.sh

Once the gateway starts, access the blockchain explorer at http://192.168.151.39:18081 to view blocks and transactions.

The guide also includes notes on port conflicts, key password retrieval, and troubleshooting tips, and provides contact information for further assistance.