Tim Cappalli

A guide for configuring Home Assistant so you can change the color and/or brightness of only the lights which are currently turned on.

A presentation at the European Union Digital Identity Wallet launchpad event in December 2025 which covers the Digital Credentials API and how it bridges the gap between verifiers, issuers, and wallets. The session focuses on what a good API must deliver: format neutrality, cross-platform compatibility, clear user prompts/consent, proximity and remote flows, and graceful fallback.

A session at Authenticate 2025 which explores the nuanced dynamics between passkeys and verifiable digital credentials, and their technological foundations across usability, privacy, trust models, and ecosystems with the goal of answering whether passkeys and verifiable digital credentials are friends or foes—and how these technologies might collaboratively shape the future of secure, user-centric digital identity systems.

Passkeys promise to replace passwords with a simpler, more secure login experience, but myths and confusion still hold many organizations back. This session at Authenticate 2025 tackles some commonly heard questions and misconceptions about passkeys and breaks down the facts in clear, practical terms. You’ll walk away with a solid understanding of what passkeys really solve, what they don’t, and how to approach adoption with confidence.

A very short guide on increasing the leaf certificate lifetime for Caddy’s internal CA.

A session at Identiverse 2025 which explores the nuanced dynamics between passkeys and verifiable digital credentials, and their technological foundations across usability, privacy, trust models, and ecosystems with the goal of answering whether passkeys and verifiable digital credentials are friends or foes—and how these technologies might collaboratively shape the future of secure, user-centric digital identity systems.