Crypto Briefing

SlowMist traces Qubic wallet theft to weak randomness in seed generation

SlowMist says Qubic Wallet used Math.random() for seeds, enabling key recovery tied to the theft of 2.94 trillion QU from ...
shattered.io

Switch 2 Release Alerts: Build a Bot in 12 Steps [2026]

Track upcoming Nintendo Switch 2 games in 2026 with a scraper-and-alert bot. 12 steps, code included, from scraping to ...

[Code Explanation] Breaking down a "Behavior Diary" built with only JavaScript for beginners (Part 2)

IntroductionContinuing from last time, I will provide a code explanation for a "Behavior Diary" app that is completed ...

MongoDB 9.0 does not start with 7.0 data—Exit code 62 and Date values changing in Japan Standard Time

I measured in Docker that MongoDB 9.0.4 does not start when opened with 7.0 data, and that the value of Date in server-side ...
shattered.io

Deploy a Secure Cloudflare Workers API in 12 Steps [2026]

Learn how to build, secure, and deploy a Cloudflare Workers API in 12 steps, with Wrangler, KV, Durable Objects, rate ...