Vitalik Buterin recommends Ethereum wallets rotate between multiple RPC nodes and utilize mixnets to obscure metadata and enhance network-level privacy

Quotes that support claims

As outlined in the plan, Buterin also discussed ways users can protect their data from exposure on the network. He suggested that wallets rotate between multiple RPC nodes and route requests through mixnets, privacy tools that obscure sender and recipient metadata, much like a VPN.