Download genesis file, if you need. Also be sure to verify the genesis sha256 checksum before starting your node.
Genesis Info
Instructions with terminal
wget -O $HOME/.bcna/config/genesis.json "https://snapshot-at-1.genznodes.dev/bitcanna/genesis.json"
shasum -a 256 $HOME/.bcna/config/genesis.json
## output
cd7449a199e71c400778f894abb00874badda572ac5443b7ec48bb0aad052f29 ~/.bcna/config/genesis.json