Web 3.1 devices often run a validator on 127.0.0.1:8545 (local node). If you are trying to access the web UI from a browser that is also running a local blockchain node, you may experience port contention. Use a clean browser profile or access from a different machine.
If you are looking for information regarding Web3 (Blockchain/Decentralization): web 3.1 default username and password
Despite the advanced nature of Web 3.1, manufacturers still need to ship devices with factory resets. Based on an analysis of the top five Web 3.1 gateway manufacturers (Helium, Linage, BlockRouter, SynchroMesh, and QuantumGate), the following credentials are the most frequently used defaults. If you are looking for information regarding Web3
If you have not changed your credentials yet, try these combinations first: If your device has been running for more
| Manufacturer | Default Username | Default Password | Interface Port |
| :--- | :--- | :--- | :--- |
| Helium Web 3.1 Gateway | admin | helium4321 | 443 (HTTPS) |
| Linage Pro 6 | user | linage-web3 | 8443 |
| BlockRouter X1 | block_admin | seed-phrase-123 | 8080 |
| SynchroMesh 3.1 | mesh_admin | sync_local | 80 |
| QuantumGate ZKP | zkp_user | quantum2024 | 2053 (HTTPS) |
Warning: Unlike older routers, many Web 3.1 devices disable the default "admin" account after 24 hours or until a blockchain wallet is paired. If your device has been running for more than a day, the default password may have been automatically rotated.