Initialize Chain

wget https://github.com/crossfichain/crossfi-node/releases/download/v0.3.0/crossfi-node_0.3.0_linux_amd64.tar.gz && tar -xf crossfi-node_0.3.0_linux_amd64.tar.gz
git clone https://github.com/crossfichain/mainnet.git
./bin/crossfid start --home ./mainnet

Run a validator

1. Sync your node using instruction above
2. Create your key by running ./crossfid --home ./mainnet keys add my_validator
3. Get address from commands output and top in up with some amount of MPX
4. Run transaction to create a validator:

./crossfid --home ./mainnet tx staking create-validator \
  --amount=1000000000000000000mpx \
  --pubkey=$(./crossfid --home ./mainnet tendermint show-validator) \
  --moniker="My Fist Validator" \
  --chain-id="mineplex-mainnet-1" \
  --commission-rate="0.10" \
  --commission-max-rate="0.20" \
  --commission-max-change-rate="0.01" \
  --min-self-delegation="1000000" \
  --gas="auto" \
  --gas-prices="10000000000000mpx" \
  --gas-adjustment=1.5 \
  --from=my_validator

4. Check out your validator in https://xfiscan.com/