Surprise! Surprise! Daedalus 4.0.5 Won't Sync

English Community Technical Support
18

So just found the topology.yaml file under the installation folder - the default is c:\Program Files\Daedalus Mainnet

the file by default contains IOHK sync server

{
  "Producers": [
    {
      "addr": "relays-new.cardano-mainnet.iohk.io",
      "port": 3001,
      "valency": 1
    }
  ]
}

but this can be extend with more relay available on the network - that is the official list:
https://explorer.cardano-mainnet.iohk.io/relays/topology.json

So an example how to extend the list with another relay (note that continent and state should not be mentioned, instead the valency)

{
  "Producers": [
    {
      "addr": "relays-new.cardano-mainnet.iohk.io",
      "port": 3001,
      "valency": 1
    },
    {
      "addr": "54.220.20.40",
      "port": 3002,
      "valency": 1
    }
  ]
}

So once you added more relays, save the file and restart the wallet. Hope by adding more relays to the topology will result a quicker sync time. Just tested and worked for me.
More about the topology network:
https://docs.cardano.org/en/latest/getting-started/stake-pool-operators/establishing-connectivity-between-the-nodes.html