Security & Best Practices

On-chain Privacy: Mixers, Stealth Addresses, and Compliance Intermediate Security • ~9 min read • Updated: 08/08/2025 Public blockchains are transparent by default: account balances, transfers, and contract interactions can be traced forever. That’s great for auditability but bad for personal and business confidentiality. This guide surveys practical techniques for improving privacy, the trade-offs involved, and […]

Smart Contract Risks: Re-entrancy, Oracles, Upgrades Intermediate Security • ~12 min read • Updated: 08/08/2025 Most DeFi hacks come from a handful of recurring patterns. If you can spot these early, you’ll avoid shipping dangerous code and you’ll be able to read audits with real understanding. This guide summarizes the big ones, how they happen,