Introduction

This is a guide made for applications who look to support connecting and transacting as NFT wallets via GroupOS’s NFT Account Connection Portal.

Updates required for compatibility

Contract Signatures Requirements

• EIP-1271 must be supported
  • Recommended: viem’s verifyMessage public client function is recommended

WalletConnect dApp ↔ Connect as NFT Compatibility

For this section, refer to these WalletConnect docs.

Networks:

• Connection is established with Mainnet + selected NFT account chain

Methods:

• eth_sendTransaction which will sign the requested tx, send out and return the tx hash
• Simple data signing support using personal_sign
• Typed data signing support using eth_signTypedData_v4

Events:

• Network suggestion (NFT’s network) sent to dApps using chainChanged event
• Account switching adjusts WalletConnect session and informs the dApp via accountsChanged event