John Z Black

Law Enforcement Had a Good Week: At Least 6 Marketplaces Down, 213 Arrests, and a Historic Conviction

John Z Black Apr 15, 2026

Policy, Law & Governance #law-enforcement #dark-web #leakbase #crypto #csam #take-it-down-act #blockchain-forensics #doj #nca

At least six dark web marketplaces dismantled, LeakBase seized, $12M in crypto fraud frozen, and the first Take It Down Act conviction. Law enforcement capabilities are improving. It's worth saying so.

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Coinbase Is Asking You to Type Your Crypto Wallet Key Into a Website. Don't.

John Z Black Mar 22, 2026

Ransomware & Cybercrime #crypto #coinbase #phishing #seed-phrase #consumer-security #wallet-security

Coinbase Commerce shuts down March 31 and its migration tool asks users to enter their seed phrase into a web form. Security researchers are alarmed -- and they should be.

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