[UX] Add Wallet Connect support / Enable user to pay via QR code

[seichris]

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Problem

The user should be able to browse NFTs using a web2 browser. Then use his mobile wallet to pay or send a QR code / payment link to another user.

Proposed solutions

Which one would be less work?

• Add Wallet Connect support.
• Wallet Connect may be too much. We only need to show a QR code, with the amount of ETH to be paid for the NFT. And check for the transfer confirmation.

Prioritization

Its nice UX, but not needed for the launch.

Dependency

Solving this, does not make much sense, if the user cannot browse NFTs in web2. (#31)

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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