Application for Ledger Universal Polkadot App upgrade

[ainhoa-a]

Project Abstract

This project expands the compatibility of the Polkadot Universal App to support the evolving landscape of Substrate-based blockchain networks, particularly those with specialized configurations. This initiative addresses the growing need for secure hardware wallet support for projects like Mythical Games and the future AssetHub evolution, codenamed "Plaza,".

Grant level

• Level 1: Up to $10,000, 2 approvals
• Level 2: Up to $30,000, 3 approvals
• Level 3: Unlimited, 5 approvals (for >$100k: Web3 Foundation Council approval)

Application Checklist

• The application template has been copied and aptly renamed (project_name.md).
• I have read the application guidelines.
• Payment details have been provided (Polkadot AssetHub (USDC & DOT) address in the application and bank details via email, if applicable).
• I understand that an agreed upon percentage of each milestone will be paid in vested DOT, to the Polkadot address listed in the application.
• I am aware that, in order to receive a grant, I (and the entity I represent) have to successfully complete a KYC/KYB check.
• The software delivered for this grant will be released under an open-source license specified in the application.
• The initial PR contains only one commit (squash and force-push if needed).
• The grant will only be announced once the first milestone has been accepted (see the announcement guidelines).
• I prefer the discussion of this application to take place in a private Element/Matrix channel. My username is: @ainhoa_a:matrix.org (change the homeserver if you use a different one)

[github-actions]

The applicant has requested the discussion of the application to happen in a private chat room.

[Noc2]

Happy to go ahead with it.

[PieWol]

Sounds like a well needed upgrade to enable Ledger on Plaza 🚀

[semuelle]

Thanks for the application, happy to support this.

[keeganquigley]

Thanks @ainhoa-a happy to help push this one over the line.

[github-actions]

Congratulations and welcome to the Web3 Foundation Grants Program! Please refer to our Milestone Delivery repository for instructions on how to submit milestones and invoices, our FAQ for frequently asked questions and the support section on our website for more ways to find answers to your questions.

Before you start, take a moment to read through our announcement guidelines for all communications related to the grant or make them known to the right person in your organisation. In particular, please don't announce the grant publicly before at least the first milestone of your project has been approved. At that point or shortly before, you can get in touch with us at grantsPR@web3.foundation and we'll be happy to collaborate on an announcement about the work you’re doing.

Also, if you haven't yet, consider signing up for the Polkadot Alpha Program. The program offers plenty of resources for people building on Polkadot. Lastly, please remember to let us know in case you run into any delays or deviate from the deliverables in your application. You can either leave a comment here or directly request to amend your application via PR. We wish you luck with your project! 🚀

[ainhoa-a]

Thank you! We'll get to work on this right now.

[ainhoa-a]

I wanted to share that the Polkadot Ledger App has been successfully upgraded to version 100.0.14, incorporating the changes outlined in this grant. The new version is already available in Ledger Live.

The formal submission for this milestone will be completed in the coming days.

[semuelle]

Thanks for the update, @ainhoa-a !

[ainhoa-a]

Submission completed here w3f/Grant-Milestone-Delivery#1265 The app can be already updated and tested directly from Ledger Live.