I understand you're looking for the default login credentials for a "Web 3.1" device or software. However, after thorough research, there is no widely known or standardized product called "Web 3.1" that has default credentials.
Web 3.0 focused on blockchain and decentralization. Web 3.1 focuses on interoperability—allowing your local router to interact directly with decentralized storage networks (IPFS), blockchain light nodes, and encrypted peer-to-peer tunnels without requiring a centralized cloud service. web 3.1 default username and password
Unlike older routers where every brand had a unique password (e.g., "admin/password" for Linksys, "admin/admin" for Netgear), web 3.1 devices are unique. Most web 3.1 gateways are ISP-provided, which means the ISP often overrides the factory settings. I understand you're looking for the default login
Web 3.1 leans heavily on Passkeys. This technology allows you to log into decentralized apps (dApps) using your phone’s biometrics (FaceID or TouchID). This replaces the "default password" with a cryptographic pair that only exists on your physical device. 3. Account Abstraction (ERC-4337) Store credentials in a secure vault; rotate credentials
Default Username: admin
Default Password: password
How to factory reset a web 3.1 router:
If you cannot find a sticker, you can try these common defaults based on popular "3.1" versions: