Validator Deployment

Validator nodes are the backbone of the OpenGPU blockchain network. This guide walks through running a validator node on the OpenGPU mainnet.

Hardware Requirements

Spec	Minimum
CPU	4 vCPUs
RAM	32 GB
Storage	1 TB NVMe SSD (preferably local)
Internet	1 Gbps symmetric connection
OS	Ubuntu 22.04 or newer LTS (64-bit)
Network Port	Default TCP/UDP 5050 (customizable via --port flag)

Setup Steps

1. Launch Server Instance

Deploy on a cloud provider or bare metal server.

2. Install Development Tools

Install essential packages and Go (v1.22+):

sudo apt update && sudo apt install -y build-essential
wget https://go.dev/dl/go1.23.4.linux-amd64.tar.gz
sudo tar -xzf go1.23.4.linux-amd64.tar.gz -C /usr/local/
echo "export GOROOT=/usr/local/go" >> ~/.profile
echo "export GOPATH=$HOME/go" >> ~/.profile
echo "export PATH=$PATH:$GOROOT/bin:$GOPATH/bin" >> ~/.profile
source ~/.profile

3. Download OpenGPU Node Software

wget https://github.com/oGPUNetwork/ogpu-chain/archive/refs/tags/v1.0.0.tar.gz
tar -xzf v1.0.0.tar.gz
sudo mv ogpu* /usr/local/bin/

4. Initialize Validator Database

wget https://raw.githubusercontent.com/oGPUNetwork/ogpu-chain/refs/heads/main/mainnet-genesis.json
GOMEMLIMIT=32GiB ogputool --datadir ~/.opengpu --cache 12000 genesis --mode validator mainnet-genesis.json

5. Synchronize With Network

GOMEMLIMIT=32GiB ogpud --datadir ~/.opengpu --cache 12000 --mode validator

Block "age" should reach only seconds once fully synced.

6. Create Validator Wallet

ogputool --datadir ~/.opengpu account new

Keep your keys secure and backed up!

7. Generate Signing Key

ogputool --datadir ~/.opengpu validator new

Save the public key (starts with 0x...). You'll need it to register your validator.

8. Register Your Validator

Use a Web3-enabled wallet (MetaMask) to interact with the staking contract at 0x0000000000000000000000000000000000000018. Submit the createValidator transaction with your staking amount and public key.

9. Start Validator Node

pkill ogpud
GOMEMLIMIT=32GiB ogpud --datadir ~/.opengpu --cache 12000 --mode validator \
  --validator.id <VALIDATOR_ID> \
  --validator.pubkey <PUBLIC_KEY> \
  --validator.password <PASSWORD_FILE>

Monitoring & Maintenance

• Node downtime stops rewards immediately

• Extended downtime exceeding 3 days may result in validator removal

• Regular monitoring, backups, and log reviews are essential

Community Resources

• Explorer: ogpuscan.io

• X (Twitter): x.com/opengpufndn

• Telegram: t.me/opengpuportal