This is a decentralized Web 3.0 self-custodial wallet that stores your private keys on your device thus giving you complete control of your funds. Phantom Wallet is compatible with several browsers including Chrome, Firefox, Edge, and the Brave browser. Phantom wallet. Your private keys are encrypted on your device by your password and are never shared with anyone. crypto wallet. Phantom makes it safe & easy for you to store, buy, send, receive, swap tokens and collect NFTs on the Solana blockchain. Available on iOS, Android, Chrome, Brave, and more!