MetaMask users can disable the "Account Balance Batch Request" feature to prevent all addresses from being exposed to the RPC in use.

Odaily News: DefiLlama founder 0xngmi tweeted a reminder to MetaMask users to disable the "batch account balance requests" feature. This feature is enabled by default and can expose all addresses to any RPC being used, potentially linking all of the user's addresses together. To disable this feature, follow these steps: Settings > Security & Privacy > Batch Account Balance Requests.