Aptos activated its optional Encrypted Mempool feature on mainnet on October 12, 2026, allowing users to conceal pending transaction details prior to execution.

Base blockchains that settle transactions on their own network, such as Ethereum, Solana, and Avalanche, competing on security, throughput, decentralization, and developer ecosystems.

Mathematical foundations of blockchains: hash functions, digital signatures, and encryption schemes that secure transactions, wallets, and consensus.