Content
Strategic insights on blockchain, AI, security, leadership, and career in an age of disruption.

How Coinbase Influences Bitcoin Without Owning It
Coinbase's push for quantum-safe Bitcoin reveals how custody creates soft power in decentralized networks—and what it means for your holdings.
Recent Essays

Why Three AI Reviewers Aren't Three Lines of Defense
Stacking multiple AI agents for review creates false confidence: they converge on identical decisions and abandon contradicting data to reach consensus, replicating the 2008 rating agency collapse.

Digital Money Choices Are Really Dependencies
Banks face a critical tradeoff when offering digital money: control, speed to market, and deposit flows. Each option—stablecoins, bank-issued tokens, or tokenized deposits—is fundamentally a dependency decision that requires treasury and accounting alignment before implementation.

AI in Finance: Who Owns the Model's Output?
As OpenAI's ChatGPT for finance reshapes banking workflows, the real question isn't adoption—it's control. Financial services leaders must establish review processes that preserve client accountability and competitive moat.

Crypto Crisis Readiness: Run Your Tabletop Now
The $6.3B Binance breach exposed a critical gap: most organizations can't answer basic questions about their crypto exposure in a crisis. Tabletop exercises focused on asset lockup—not just data breaches—are essential.
#digital signatures
23 posts

Hashing: The Unsung Hero of Blockchain Data Integrity
Hey there, blockchain enthusiasts! In my last post, we took a deep dive into the world of hashing algorithms, exploring the ins and outs of SHA-256 and its alternatives. Today, I want to build on t...

Hashing Algorithms: SHA-256 and Beyond
Welcome back, blockchain enthusiasts! � In our last post, we explored the concept of hashing, the digital fingerprint that secures blockchain networks. Today, we'll dive deeper into the most widely...

Unlocking the Secrets of Hashing: Blockchain's Digital Fingerprint
Are you ready to dive into one of the most fascinating aspects of blockchain technology? Today, we're going to explore the concept of hashing—the digital fingerprint that ensures the security and i...

Symmetric vs. Asymmetric Encryption: Balancing Speed and Security
Today, we're going to build upon our understanding of public-key cryptography and delve into a related, yet distinct, concept: symmetric vs. asymmetric encryption.

Unlocking the Power of Public-Key Cryptography in Blockchain
In our previous post, we explored the fascinating world of cryptography in blockchain. Today, we're going deeper into a specific type of cryptography that forms the backbone of blockchain security:...

Cryptography in Blockchain: The Art of Secure Communication | Enterprise Security Guide
Master cryptography in blockchain technology - comprehensive guide to public-key cryptography, digital signatures, hash functions, and security protocols for enterprise blockchain implementations.

Project: Free SSL Certificate
Unlock the power of SSL certificates with this comprehensive guide to obtaining a free, open-source SSL certificate using Let's Encrypt. Learn foundational Linux skills, cloud server setup, and boost your cybersecurity expertise with this impactful project.

Securing Amazon Web Services
Discover a comprehensive guide to securing your Amazon Web Services environment. This blog post compiles essential tips and resources to protect AWS accounts, EC2 instances, S3 buckets, and more.

Now Secured By Let’s Encrypt
Discover how Let's Encrypt is revolutionizing web security by offering free SSL certificates, removing financial barriers and ensuring accessible encryption for everyone.

Passwords is Everything That is Wrong with Security
Explore why the outdated concept of passwords is failing modern security needs and discover innovative alternatives like token-based authentication that promise a more secure future.

How to Properly Configure SSL on nginx
Learn how to securely configure SSL on nginx by removing SSLv3, optimizing performance, and enhancing security with TLS protocols and efficient cipher orders.