The [Polkadot Metaverse Championship 2022](https://metaversechampionship.gg/) was the first event in a hackathon style event series held in Budapest, Hungary between 2022. December 5-7, where KILT Protocol was featured with an invited talk, workshop, and a main challenge proposed from the KILT Team. The organizer team would like to submit a [treasury grant](https://docs.google.com/document/d/12WB8tEJX1Eos0Y3E90D95zXfIlTlBypSaCrLwQPEAm8/edit) to cover supplementary prizes for the participants of the Championship and a management fee for the organizer team.

The Invalid Identifiers team created a solution ([concept](https://miro.com/app/board/uXjVP8Y88fA=/?share_link_id=584187550467), [github](https://github.com/karak1974/PMC_Challenges_Invalid_Identifiers)) to the KILT related challenge to enable websites to remove consent popup screens in a GDPR compliant way that is similar to client-side certificates, but the user experience is much easier using the Sporran browser extension.

Sporran has a hierarchical deterministic wallet capable of storing multiple personas. These personas might get credentials from attesters, but they did not focus on that aspect in this solution. What they achieved is that each website gets to see a different DID from the same browser. Note that this is completely the opposite of a facebook like button that BigTech uses to correlate visits of the user on different websites.

[Hackathon Aftermovie](https://www.youtube.com/watch?v=m46hqj3gj3U)

[Polkassembly discussion thread](https://kilt.polkassembly.network/post/13)

- Proposal Amount: 6000 USD
- KILT Rate: 0.5 USD
- Amount Requested: 12000 KILT
- Beneficiary: 4oZNkzMNx58kEUypXkC2BgaY9z9ntYA1xEGdR7EH5nGhLQ29
- Period: 2022. December 5-7 (delivered)
- Contact: [contact@metaversechampionship.gg](contact@metaversechampionship.gg)
- Twitter: [@MetaverseChampz](https://twitter.com/MetaverseChampz)


This proposal seeks reimbursement from the Polkadot treasury to cover Subscan's operation and maintenance costs from July to December 2022. Subscan plays a vital role as a block explorer and analytics tool for the Polkadot network. The reimbursement will cover expenses including server infrastructure, security measures, and personnel costs. Server infrastructure costs are estimated to support the network's smooth operation. Security measures ensure user data safety, while personnel costs reflect the dedicated team needed to maintain Subscan's functionality. This support ensures Subscan's continuous operation and contributes to the growth and development of the Polkadot network.

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- The Polkadot Metaverse Championship 2022 was a hackathon event held in Budapest, Hungary.
- The organizer team wants to submit a treasury grant to provide prizes for the participants and cover management fees.
- The Invalid Identifiers team created a solution to remove consent popup screens on websites in a GDPR compliant way.
- The solution uses the Sporran browser extension and allows each website to see a different DID from the same browser.
- The proposal amount is $6000 and the contact information for the event is provided.

#20 KILT Coin Prizes for the Polkadot Metaverse Championship

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