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

Permissioned Blockchain: Why Incumbents Win
September 09, 2026·6 min read
Blockchain

Permissioned Blockchain: Why Incumbents Win

Permissioned blockchains aren't crypto adoption—they're how incumbents keep control. Swift's 17-bank network proves gatekeepers choose the tech that keeps them in charge.

Recent Essays

#transparency

31 posts

The Significance of the Genesis Block: A Pillar of Trust and Security
May 18, 2024

The Significance of the Genesis Block: A Pillar of Trust and Security

Today, we're going to build upon our understanding of the Genesis Block and delve into its significance in the grand scheme of blockchain technology. Buckle up as we explore why the Genesis Block i...

Centralized vs. Decentralized Systems: Key Differences and Implications
May 03, 2024

Centralized vs. Decentralized Systems: Key Differences and Implications

A clear breakdown of how centralized and decentralized systems differ across control, transparency, resilience, and intermediaries — and what those trade-offs mean for businesses adopting blockchain.

Decentralization: The Power of Distributed Systems
May 02, 2024

Decentralization: The Power of Distributed Systems

Today, we're taking a deep dive into the core concept that makes blockchain technology so revolutionary: decentralization. This is the magic ingredient that ensures trust, security, and resilience ...

Blockchain: The Trust Machine
May 01, 2024Opinion

Blockchain: The Trust Machine

Welcome to the first post in our exciting 100-day journey into the world of blockchain! Today, we'll demystify this buzzword you've probably heard a thousand times and understand why it's often cal...

Blockchain: The Trust Machine | Complete Guide to Blockchain Technology
May 01, 2024

Blockchain: The Trust Machine | Complete Guide to Blockchain Technology

Comprehensive guide to blockchain technology and why it's called the 'Trust Machine'. Learn how blockchain creates trust in digital transactions without intermediaries.

The Perception of Privacy
September 28, 2015Opinion

The Perception of Privacy

Explore the illusion of online privacy as Jay Schulman uncovers how behavioral patterns, not just technology, can unmask individuals online. Discover what it truly takes to stay anonymous.

Today We Fight Back
February 11, 2014Opinion

Today We Fight Back

Join the fight against mass surveillance! On February 11th, unite in protest to protect internet freedom and honor Aaron Swartz's legacy. Stand up for privacy and democracy at thedaywefightback.org.

Blog — Blockchain, AI & Leadership Strategy | Jay Schulman