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Field Notes

Browser security research without the fluff.

Deep dives for security engineers, privacy leads, and zero-trust teams. Start with the latest drop or filter by what you need.

Security researchPrivacy engineering11 articles
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Jan 28, 2026
Privacy Engineering12 min readJan 28, 2026

Why Privacy in Crypto Wallets Matters More in 2026

In 2026, wallets are becoming the front door to paychecks, shopping, and identity. That makes on-chain surveillance a real-world threat. Here's what changed and what to do.

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Privacy EngineeringJan 27, 2026

All Web3 Wallets Are Private? (They're Not. Here's Why.)

Most Web3 wallets are pseudonymous, not private. One identity link can expose your entire on-chain history. Here's the transparency trap and why structural privacy matters.

10 min readRead
Privacy EngineeringDec 10, 2025

The VPN Ban Is Coming: Here's What You Stand to Lose

1.8 billion people rely on VPNs daily. Now governments want them gone. Here's what that means for your streaming, travel, privacy, and freedom.

12 min readRead
Privacy EngineeringNov 6, 2025

The Cookie Conspiracy: How Websites Track You (And How Browser Isolation Stops It)

The truth about cookie tracking, price discrimination myths, and why browser isolation is the only real solution to invisible surveillance across the web.

11 min readRead