Phantom EVM Provider API
EIP-1193 compliant Ethereum Provider API injected at window.ethereum and window.phantom.ethereum for Ethereum, Polygon, Base, Monad testnet, and HyperEVM. Supports the full Ethereum RPC surface for connecting accounts, reading chain state, signing messages and typed data, sending transactions, switching and adding chains, and watching assets. Emits standard accountsChanged, chainChanged, connect, and disconnect events.