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# cryptography

Discussions on encryption, hashing, ciphers, and cryptographic protocols.

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X.509 Beyond Trust: Weaponizing Certificate Extensibility Without Breaking TLS

X.509 Beyond Trust: Weaponizing Certificate Extensibility Without Breaking TLS

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2 min read
Userland Authority: How Non-Root Termux Can Mint TLS Identities and Expose Hidden Trust Gaps

Userland Authority: How Non-Root Termux Can Mint TLS Identities and Expose Hidden Trust Gaps

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2 min read
How We Built Multi-Modal Screen Detection for Cryptographic Evidence Capture: VeraSnap

How We Built Multi-Modal Screen Detection for Cryptographic Evidence Capture: VeraSnap

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16 min read
Recovery codes… Or just one recovery code?

Recovery codes… Or just one recovery code?

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2 min read
Beyond Encryption: Designing a Tamper-Evident State Engine

Beyond Encryption: Designing a Tamper-Evident State Engine

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3 min read
A Product Page Erased $285 Billion. Here's What the Audit Trail Should Have Captured.

A Product Page Erased $285 Billion. Here's What the Audit Trail Should Have Captured.

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8 min read
Building a Cryptographic Flight Recorder for Algorithmic Trading: VCP v1.1 Deep Dive with Python, TypeScript, and MQL5

Building a Cryptographic Flight Recorder for Algorithmic Trading: VCP v1.1 Deep Dive with Python, TypeScript, and MQL5

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29 min read
VeraSnap Building a Cryptographic Evidence Capture App for Android with Kotlin, CameraX, and Hardware-Backed Security

VeraSnap Building a Cryptographic Evidence Capture App for Android with Kotlin, CameraX, and Hardware-Backed Security

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13 min read
VCP v1.1: Building Cryptographic Audit Trails for AI Trading Systems After the 2026 Silver Crash

VCP v1.1: Building Cryptographic Audit Trails for AI Trading Systems After the 2026 Silver Crash

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20 min read
VCP-RISK: Building Cryptographically Verifiable Risk Management Audit Trails for Algorithmic Trading

VCP-RISK: Building Cryptographically Verifiable Risk Management Audit Trails for Algorithmic Trading

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27 min read
The $255M Wake-Up Call: How Cryptographic Audit Trails Could Have Caught a Quant Fund Fraud in Minutes, Not Years

The $255M Wake-Up Call: How Cryptographic Audit Trails Could Have Caught a Quant Fund Fraud in Minutes, Not Years

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18 min read
Building AI's Flight Recorder: A Developer's Response to the Doomsday Clock

Building AI's Flight Recorder: A Developer's Response to the Doomsday Clock

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13 min read
Proving What AI Didn't Generate: Building Cryptographic Refusal Logs with CAP-SRP

Proving What AI Didn't Generate: Building Cryptographic Refusal Logs with CAP-SRP

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14 min read
Building Deepfake-Resistant Hiring Systems: Cryptographic Audit Trails as Defense Against Nation-State Identity Fraud

Building Deepfake-Resistant Hiring Systems: Cryptographic Audit Trails as Defense Against Nation-State Identity Fraud

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14 min read
Building Tamper-Proof Media Apps: C2PA vs CPP Deep Dive for Developers

Building Tamper-Proof Media Apps: C2PA vs CPP Deep Dive for Developers

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12 min read
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