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Is it possible to update all metadata for all chains on Polkadot.js by signing only one transaction?

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  • Clients get chain's metadata from their runtimes, I don't know if I follow your question. docs.substrate.io/v3/runtime/metadata May 3, 2022 at 10:59
  • The root of this question stems from it being cumbersome to sign transactions for every chain while interacting on Polksdot.js. For background, I am part of a validation company, and being current on changes to statuses of projects through their various testnet stages is important. This requires me to sign many metadata updates while I go through project lists. This process gets repeated over again quite frequently. From my POV, and I am not a developer so forgive me if this is an improbable feat, but it would streamline my workload if I could sign one Tx for updating all metadata.
    – Bitch Tits
    May 4, 2022 at 3:26

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The short answer is "no". For each chain the apps UI would need to connect to, get the metadata and then check against the extension.

The apps UI has quite a number of chains... 234 by my count. Due to this, it only does the actual connected chain.

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