News

The HackerNoon Newsletter: How You Can Test Your Kids Smart Toys For Privacy (1...

How You Can Test Your Kids' Smart Toys For Privacy

The Markup is looking into what other toys collect private data on your children. A Wi-Fi-enabled toy will likely communicate with...

The Tech Community's Efforts to Dethrone OpenAI

OpenAI has made tech waves in the recent years with the remanent of LLMs as search engine reindexing algorithms. The biggest issue...

The Zero-Day Deduction

While testing a tax software API for a bug bounty, I discovered a critical Insecure Direct Object Reference (IDOR). By changing a...

Zypherpunk Hackathon 2025 Review: Top 5 Privacy Projects That Will Disrupt DeFi

Zypherpunk Hackathon 2025 roundup: discover the top 5 programmable privacy projects — Yona, ZIntents, Secure Polymarket, Zassport,...

The Markup's Blacklight Tool Now Has New Tracking Info and Caching Options

We’ve added the option to ‘force’ a request, overriding Blacklight’s cache and triggering a brand-new scan of the page. This optio...

Securely Sharing Secrets Over a Public Channel: The Diffie-Hellman Way

The Diffie-Hellman Key Exchange is a method for two parties to securely establish a shared secret key over a public channel.

Obscura Brings Bulletproofs++ to the Beldex Mainnet for Sustainable Scaling

Beldex introduced the Obscura hardfork, which went live on December 7, 2025, at block height 4939540. The upgrade includes multi...

Secure Legion Launches First Metadata-Free Messenger with Zero Servers

Secure Legion aims to become the world's first completely metadata-free messaging application. The Secure Legion Android App is al...

What Comes After the Bunker? Enter Sapphirepunk

The Sapphirepunk Manifesto offers a name for a new era in cryptography. It is an exploration of how we got here, what we’re leavin...

When APIs Talk Too Much – A Lesson About Hidden Paths

This is the story of how curiosity led to the discovery of a privacy risk, a responsible disclosure, and essential takeaways for b...

Bitcoin.com and Concordium Partner to Enable Privacy-First Age Verification for...

Bitcoin.com partners with Concordium to enable zero-knowledge age verification for 75M wallets, addressing the $308B stablecoin ad...