... Introducing Avalw Shield, the world's first Mac app that locks when you leave and hides when someone looks. No other Mac app has ever done this: Detects when YOU leave, locks automatically Detects when someone ELSE looks, hides your screen instantly Detects when YOU return, unlocks with your face No timer. No shortcut. No button. No effort. Just your Mac responding to your physical presence, the way it always should have. Three layers. One app. Zero effort. - Away Lock ... ... after a shortcut, the moment your face disappears from the camera, your screen locks. Default is a few seconds. Configurable to your environment. Open office? Make it faster. Home? Make it slower. It adapts to you. - Shoulder Guard Shield

... append/validation checks, and a local multi-node testnet runner you can launch from the CLI (status, mine, testnet). It also ships early ledger primitives (note commitment, nullifier derivation + nullifier set, and a commitment tree) as foundations for the later shielded transaction + proof system work. What s implemented right now: Consensus foundation (prototype): PoW header hashing + meetsTarget() and a working mining loop Chain logic: genesis + sequential append validation (prev_hash, height, pow target) Difficulty retargeting (prototype): ASERT-like ... ... target adjustment utility used by the chain Testnet runner: local multi-node simulation that mines blocks across nodes Ledger primitives (foundation): note commitments, nullifier derivation/set, simple commitment tree root Why this matters: If you re building toward post-quantum and shielded

... last few months engineering a 60-second loop that turns an AI prompt into a 300 DPI high-fidelity physical postcard delivered by the USPS. I m also tackling the 'stranger danger' of the internet with a Privacy Shield using my business address as the return sender so you can send mail to internet friends without revealing your home location. I m curious to hear from the makers here: When was the last time you received a piece of mail ... ... chat about the 'Physical Web' and how we can make the mailbox beautiful again. Comment from Carlos Eduardo V squez(@absolutkarlos): @minhajulll  Thanks so much for the kind words! You hit on the exact reason I built the Privacy Shield

... ritual of self-protection before logging on. Before opening her laptop, she performed a small ritual: two minutes of meditation, followed by drinking a full glass of water. It wasn't about mindfulness; it was about building an invisible shield. She knew that the moment she logged in, she was entering an arena of urgent demands and emotional turbulence. The small ritual was her only defense a mental barrier to prevent the chaos of the digital world from immediately contaminating ...