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/.sedad/config/genesis.json "https://snapshot-at-1.genznodes.dev/seda/genesis.json"
shasum -a 256 $HOME/.sedad/config/genesis.json
## output
9893721bc5388d245cade09629ace75cd3648f8ebdb3a542b07e1b3f63cab6ba ~/.sedad/config/genesis.json