When you are trying to restore your account on Polkadot-JS UI or in the Polkadot extension, you may get an error like in these screenshots. Polkadot-JS ...

If you ever lose access to your account, the only ways to restore it are your mnemonic phrase or your account's JSON backup file in combination with a p...

‼️ IMPORTANT Polkadot-JS UI is a web wallet meant for power users and developers. For everyday use, there are several user-friendly wallets funded by the P...