Ethereum founder Vitalik Buterin has outlined a roadmap for improving the privacy of L1 protocols.
The roadmap focuses on four key forms of privacy: on-chain payment privacy, partial anonymization of in-app activity, privacy of on-chain reads, and network-level anonymity.
Tools like Railgun will be used for private payments and 'one address per app' will be default to limit cross-dApp tracking.
Proposed solutions include implementing FOCIL, EIP-7701, and network anonymization technologies like Tor/VPNs for better privacy.