Aptos 主网上线三层可选隐私功能，覆盖身份、金额与交易意图

Public blockchains have always had an awkward relationship with privacy. Every transfer, balance and pending trade sits in the open, like a bank statement taped to a lamppost. Aptos is trying to fix that without tearing down the lamppost. The network has rolled out three opt-in confidentiality layers on mainnet, coveri…