Documents House of relevant 3XR documentation. Wallet Connection 3XR uses Mintbase.js to connect users to the NEAR wallet. Environments: Testnet and Mainnet 3XR now works for both NEAR testnet and mainnet. Testnet: https://testnet.3xr.space Mainnet: https://mainnet.3xr.space or https://3xr.space Other Custom Galleries V1 NFT customization