April 2026

A user downloads Phantom Wallet to manage Solana tokens and Ethereum assets, approves a few transactions, and then wonders: who can see what I’ve done? The answer depends on what “see” means. Phantom itself cannot see transaction details because the wallet is self-custodial—it manages private keys locally and never holds user credentials on central servers.

A common misconception is that a Phantom install is simply a way to “store” SOL. It is not. A browser wallet is better understood as a signing interface: it connects a user-controlled account to decentralized applications, displays transaction requests, and authorizes changes on a blockchain. The coins do not sit inside the extension in the