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NFT Bridge: aelf Blockchain <-> EVM Chains

Organization

aelfproject

Deadline

over 1 year ago

Status

ENDED
10000 USD

INSTRUCTIONS

Build a decentralized NFT bridge that realizes cross-chain transfer of ERC standard NFTs between EVM chains and aelf chain.

Requirements:

  1. The bridge should enable the transfer of NFTs between EVM chains and aelf chain at one click, with no need for redevelopment.
  2. The NFT standards supported are ERC-721 and ERC-1155.
  3. Cross-chain protocol layer needs to be extremely secure (code needs to be open-source for review).
  4. The NFT bridge should be compatible with aelf wallets and MetaMask at least.
  5. A team able to undertake development and operation is favored.

Judging Criteria:

The protocol layer should realize NFT cross-chain transfer between Ethereum (or other EVM chains) and aelf. Contracts receive review.

Prize: 5,000 USDC.

  1. The ERC standard for cross-chain is met.
  2. A valid and open-source contract code on GitHub is provided.
  3. Pass the security review by aelf team.
  4. Whitepaper (design doc) that describes the NFT cross-chain mechanism is provided.

The application should realize NFT cross-chain transfer between Ethereum (or other EVM chains) and aelf, with user-friendly UI and good UX.

Prize: 5,000 USDC.

  1. Provide the link for a demo video that presents NFT cross-chain transfer between EVM chains and aelf.
  2. Good UX for NFT cross-chain interactions.
  3. UI design provided.
  4. Frontend and backend code repo submitted.