defi security

Tangem vs Ledger: card wallet vs hardware wallet guide 2026 This guide compares Tangem and Ledger as two different cold-wallet designs: a card-based NFC wallet and a traditional screen-based hardware wallet. The practical question is not which brand is better. It is which design reduces the...

RareSkills bootcamp review: Solidity and ZK training 2026 Quick verdict: is RareSkills worth it in 2026? RareSkills is worth it for mid-to-senior engineers who already write production code and want structured training in advanced Solidity, DeFi security, or zero-knowledge proofs. First-time...

What Is the OWASP Smart Contract Top 10? The OWASP Smart Contract Top 10 is a standard awareness document that identifies and ranks the ten most critical security risks affecting smart contracts, serving as an essential guide for developers, auditors, and security professionals building on the...

What Is an Encrypted Mempool? (And Why It Matters) An encrypted mempool is a private waiting area for blockchain transactions that keeps the details of your trade secret until it's officially confirmed. This system is designed to stop a practice called front-running, where automated bots see...