Phantom Extension is a well-known self-custodial web browser extension and virtual wallet for the Solana blockchain. It allows users to manage their cryptocurrency and NFTs, swap, stake digital assets and access decentralized finance DeFi apps on the Solana blockchain. Phantom Wallet is a self-custodial web 3 wallet where you get access to your private keys. Like MetaMask, you can connect the Phantom Wallet directly to Ledger. This means your assets are always stored securely inside the protection of your Ledger device.