• Providing detailed management and transfer of major token assets through interworking blockchain network.> Providing blockchain networks: Ethereum, Klaytn• Providing a secure NFTs storage service and an opportunity to collect NFTs through the anti-spam service application ‘who-who’> Exchange ‘who-who’s reward points to ‘VP Wallet’s gold NFTs and storing in VP wallet.• When creating a wallet, the dual security system enhances the security of the app.> Dual security system: PIN number and mnemonic