Polkawallet provide Cross-chain asset one-stop management, convenient staking and governance, the private key is self-owned. In order to give users a more humane and more convenient experience, as the entrance of the polkadot network, the user is provided with more intuitive visual data and status change display to guarantee the user's right to know and network participation. Manage Relaychain & Parachain assets, anywhere, anytime. Users can add assets, support Relaychain and Parachain to transfer, receive, and view the transfer history and state. Have the visual asset change analysis chart, make it easier for users to analyze assets. Users are notified when they receive the asset and can view the transfer details data. The private key is self-owned, and have the Gesture,Fingerprint, Facial recognition, Hot and cold wallet mechanism, users can set their own scheme. Our team is developing a new encryption scheme -- high-dimensional fractal encryption, will be used to safeguard the security of a user using the polkawallet.