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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 15, 2026
Privacy Engineering17 min readJan 15, 2026

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

The myth that Web3 wallets provide privacy is dangerously wrong. Learn how RPC providers, browser fingerprinting, and address clustering expose your identity despite decentralization.

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4 posts
Privacy EngineeringJan 15, 2026

Why Privacy in Crypto Wallets Matters More in 2026

Most crypto wallets leak metadata through RPC providers, browser fingerprinting, and address clustering. Learn why structural privacy differs from optional settings.

14 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