Aptos Introduces Confidential APT for Private Transactions

Aptos Labs has introduced Confidential APT, a protocol-level privacy feature that encrypts balances and transfer amounts on its blockchain, while keeping wallet addresses publicly visible. This feature uses zero-knowledge proofs and Twisted ElGamal encryption to hide the numbers without hiding who is transacting.

The goal of Confidential APT is to address business problems such as payroll processing, corporate treasury management, and fund movements where public visibility can be a liability. It also aims to reduce wallet profiling, which can make holders targets for phishing or other attacks.

Confidential APT relies on two pieces of cryptography working together: Twisted ElGamal encryption scrambles the actual balance and transfer figures, while zero-knowledge proofs let the network verify that a transaction is valid without revealing the underlying numbers to anyone doing the verification.