Caloogy Article

Onchain

What Smart Contract Auditing and Formal Verification Do

Onchain · Jun 16, 2026 · 4 min

Flash Loans and Price Manipulation

Onchain · Jan 14, 2026 · 4 min

On-chain Tracking and Fund Freezing

Onchain · Jan 7, 2026 · 5 min

Unlimited Approvals: You Might Have Already "Lent" Your Money Away

Onchain · Sep 10, 2025 · 4 min

Upgradeable Contracts and Administrator Private Keys

Onchain · Sep 9, 2025 · 4 min

Address Poisoning: Fake Addresses with Matching Prefixes and Suffixes

Onchain · Sep 4, 2025 · 4 min

Why Cross-Chain Bridges Are Always Hacked

Onchain · Jun 29, 2025 · 4 min

MEV, Sandwich Attacks, and Private Mempools

Onchain · May 14, 2025 · 4 min

Fake Tokens, Honeypots, and "Buy Only, No Sell"

Onchain · Apr 21, 2025 · 4 min

Reentrancy Attack: Why The DAO Caused an Ethereum Fork

Onchain · Mar 6, 2025 · 4 min