SubWallet is an inclusive non-custodial crypto wallet solution for Polkadot, Ethereum, and substrate ecosystems. Created on the top of the Polkadot {.js}, the wallet aims to improve UX and UI. It envisages a digital currency wallet as a Web3 multiverse doorway via which one can access multi-chain services with safety and ease. Interacting and using the blockchain apps in Polkadot, Ethereum, and the Substrate ecosystem is simpler than with SubWallet Extension and mobile apps.