Josep M Sobrepere

> I see, so for transaction extensions containing signatures, the caller will send those extensions with invalid transaction e.g. 0x000.. , then the implementer will override the caller "preference", or...

> ok, I may be wrong but I worry not sending the transaction extension as a mean to let the `Implementer` fill it may not be fine-grained enough and potentially...

> [@josepot](https://github.com/josepot) Thank you for the detailed proposal and clear rationale. This is an important step toward improving compatibility and flexibility across the ecosystem. We've added this to our task...

Thanks for the update, and for starting to work on it! 💪 > However, TS interface is almost similar to what [@josepot](https://github.com/josepot) provided (with one minor change) Is the small...

> One [long-standing issue](https://substrate.stackexchange.com/questions/7625/how-to-sign-a-payload-using-ecdsa-in-polkadotjs/7801) we face is the inability for browser wallets to expose alternative signing schemes for message or transaction signing. The `createTransaction` interface, allows creating transactions using any...

Hey, sorry for jumping in late... I just found out about these custom RPCs. Are they truly indispensable? - If yes, that’s sad, because it would mean the statement-store can’t...

Thanks @gui1117 for this explanation! Also, if you could please point me to some resources so that I can understand a bit better what the purpose and the goals of...

> it has been used for a bunch of documentation That is definitely a concern. I assume you’re referring to the docs maintained by the W3F, right? Documentation, just like...

> Since [version 7.0](https://github.com/novasamatech/parity-signer/releases/tag/v7.0.0), Polkadot Vault supports signing transactions without needing to update network metadata. Some wallets, such as Talisman and Nova Wallet, support this feature, offering users the option...

> Is there a way to simplify this interface? I think so. Could you please provide a concrete example so that we can suggest a less verbose approach? Or perhaps...