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Strange username and password in Mozilla saved passwords for chrome://weave (Mozilla Services Encryption Passphrase)

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What is chrome://weave (Mozilla Services Encryption Passphrase) ?

I checked my saved password list in Mozilla Firefox and I found two strange usernames for site: chrome://weave (Mozilla Services Encryption Passphrase) and chrome:weave (Mozilla Services Password). Is this username randomly generated or is it possible that some addin/application/malware automatically generates this username and password. The username for both is "gjqsnhtjmmojlnmtepcdbiccdfrrerid" Password for chrome:weave (Mozilla Services Password) is a password I use commonly so seems to be provided by me but the password for : chrome://weave (Mozilla Services Encryption Passphrase) is a combination of random letters(just like the username)

My issue is only that it should not be the work of any malicious content lying in my system which has reached my Mozilla Saved Passwords

What is chrome://weave (Mozilla Services Encryption Passphrase) ? I checked my saved password list in Mozilla Firefox and I found two strange usernames for site: chrome://weave (Mozilla Services Encryption Passphrase) and chrome:weave (Mozilla Services Password). Is this username randomly generated or is it possible that some addin/application/malware automatically generates this username and password. The username for both is "gjqsnhtjmmojlnmtepcdbiccdfrrerid" Password for chrome:weave (Mozilla Services Password) is a password I use commonly so seems to be provided by me but the password for : chrome://weave (Mozilla Services Encryption Passphrase) is a combination of random letters(just like the username) My issue is only that it should not be the work of any malicious content lying in my system which has reached my Mozilla Saved Passwords

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hello weave was the prior name of firefox sync - so if you've used sync for a certain time it will likely be a related to that. the username can be freely chosen and normally either you or someone with access to the pc (or a cat running over the keyboard *g*) would have provided that in the first place...

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chrome://weave (Mozilla Services Encryption Passphrase is the sync key that is used to locally encrypt your data before sending it to the Sync server.
That key is automatically generated and changing the sync key will wipe all data stored on the sync server.
It is good practice to have a backup copy of the sync key.
The user name stored in the password manager is also generated, but you can always use the email address to get access to your sync account.