Technology, security, and the questions that keep me up at night

Google's AP2 Protocol: Building Trust in Autonomous Transactions

It's been a while since I felt giddy reading a specification. The release of Google's Agent Payments Protocol (AP2) brought back memories of my payments days—waiting eagerly for Visa and Mastercard to publish updates on network tokenization, or when Android introduced Host Card Emulation. Here&

WhatsApp’s Private Processing: Confidential Computing at Internet Scale

The Confidential Computing Consortium defines confidential computing as “the protection of data in use by performing computation in a hardware-based, attested Trusted Execution Environment.” It’s a powerful idea. Instead of trusting operators or cloud providers, you trust hardware itself to keep your data protected even while it’s being