Blockchain privacy tools such as zero-knowledge (ZK) proofs will become increasingly necessary to protect online user data in the age of artificial intelligence, according to Eran Barak, CEO of Shielded Technologies, the developer behind the Midnight privacy chain.
In an interview with Cointelegraph at Consensus 2025, Barak said corporate service providers and centralized servers are expected to become honeypots for AI-assisted hackers and malicious actors looking to steal valuable data, including private keys, financial metadata, medical records, and government documents.
Hackers targeting centralized entities have a “massive” return on investment (ROI) and are incentivized to hack centralized targets that contain millions of valuable records, the CEO told Cointelegraph. Barak added that ZK-proofs, a way of verifying onchain data without revealing it, solve this problem:
“Blockchain is going to improve cybersecurity around the world, because, for a hacker to get to actual data, they need to hack individual wallets, but