Swapping on a Decentralized Exchange: What Can Go Wrong
Risks of decentralized exchanges: slippage, sandwich attacks, fake tokens, and liquidity removal. Learn what to check before confirming a swap.
DeFi and Smart Contracts
Smart contract vulnerabilities, flash loan attacks, oracle data manipulation, and risk analysis of DeFi protocols.
5 articles
Token Allowances You’ve Granted to Smart Contracts: Why They Persist and How to Revoke Them
Learn how to check and revoke token allowances granted to smart contracts. A practical guide to revoking allowances on a block explorer.
DeFi Security Report Q1 2026: $1.7 Billion Lost in 47 Incidents
The first quarter of 2026 closed with $1.7 billion lost in 47 documented DeFi incidents, a 23% increase compared to […]
DeFi Security: What You Must Know Before You Invest
Decentralized finance offers yields that are unimaginable in banking, but also risks that are equally unprecedented. Here is a complete guide to…
Oracle attack on Bonzo Finance: patch existed for eight days, just not on Hedera
Oracle attack on Bonzo Finance took $9.05 million in eight seconds. The same patch was already deployed on 11 other chains, Hedera…