Sub-hub archive

Foundations: Security

Articles

Current page

Page 2 of 2

Security

Mar 21, 2026

What is Allowlist/Blocklist?

Learn what allowlists and blocklists are, how deny-by-default differs from deny-by-exception, where each works best, and where they fail.

24 min read

Security

Mar 21, 2026

What Is an Anti-Phishing Code?

Learn what an anti-phishing code is, how it helps verify exchange emails, where it works, and why it complements - not replaces - email security.

23 min read

Security

Mar 21, 2026

What Is an Audit Trail?

Learn what an audit trail is, why it exists, how it works mechanically, and how logs, integrity, retention, and accountability fit together.

26 min read

Security

Mar 21, 2026

What Is Address Poisoning?

Learn what address poisoning is, how lookalike wallet addresses trick users, why the scam works, and which wallet and user defenses reduce the risk.

22 min read

Security

Mar 21, 2026

What is Formal Verification?

Learn what formal verification is, how it works, why it matters for security, and where mathematical proofs help - and fail - in software and blockchains.

26 min read