Could Encrypted Mempools Become the Standard? What Other Chains Are Doing About MEV

Every trader on a public blockchain eventually runs into the exact same awkward problem. Furthermore, when you submit an order, there is a brief window where everyone can see it before it actually settles. The automated bots watching that gap have a specific name for what they do, and most users know it as getting sandwiched. Consequently, when Aptos announced on October 12, 2026, that its encrypted mempool is live on mainnet, the more compelling story became how its approach contrasts with what Ethereum and Solana have built to tackle the very same challenge.