Privacy
Zero-Knowledge Proofs (ZKP): A Beginners Guide
A Zero-Knowledge Proof (ZKP) is a cryptographic method that allows one party to prove to another that a statement is true without revealing any information beyond the validity of the statement itself. This technology is essential for enhancing user privacy and enabling high-speed transaction scaling on public ledgers.
Polygon (MATIC) Adds Privacy Payments, Targets Institutions
Polygon unveils private stablecoin payments using zero-knowledge proofs, aiming to attract institutional adoption for onchain transactions.
OpenAI Launches Privacy Filter for PII Detection and Redaction
OpenAI unveils Privacy Filter, a model for detecting and redacting PII with state-of-the-art accuracy. Available now for developers.
Umbra Shuts Front End Amid $280M Kelp Exploit Fallout
Umbra disables its front-end to hinder hackers from laundering $280M stolen in the Kelp DAO exploit. Privacy protocols face scrutiny.
Tempo Zones Feature Sparks Privacy Debate Among Enterprise Blockchain Builders
Tempo's new Zones feature promises enterprise privacy on public stablecoin rails, but critics warn it reintroduces centralized trust assumptions.
OpenAI Launches ChatGPT Ads Test for Free Users in US
OpenAI begins testing advertisements in ChatGPT for free-tier users, promising answer independence and privacy protections while exploring new revenue streams.
a16z Says Privacy Will Create Winner-Take-Most Dynamics in Crypto
a16z crypto's Ali Yahya argues blockspace commoditization makes privacy the only defensible moat, with secrets harder to migrate than assets.
Celestia Launches Private Blockspace for Confidential DeFi Trading
Celestia unveils Private Blockspace using verifiable encryption, letting perp exchanges hide positions while maintaining public auditability. Hibachi is first deployer.
Stellar (XLM) Adds Zero-Knowledge Proof Tools for Enterprise Privacy
Stellar (XLM) introduces ZK proof capabilities enabling enterprises to conduct private transactions on public blockchain while maintaining compliance requirements.
Stellar (XLM) Sets Stage for Major Upgrades and Privacy Features
Stellar (XLM) Development Foundation (SDF) outlines significant upgrades in scalability and privacy for 2025, aiming to enhance network performance and adoption.