Oleg Filatov

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  Oleg Filatov
• Aug 02, 2026

Coldcard PRNG vulnerability exposes 1300+ BTC. Check if your hardware wallet is affected and follow our step-by-step guide to move funds safely.

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  Oleg Filatov
• Jul 28, 2026

Discover how ChatGPT generates vulnerable Solidity smart contracts. Explore 3 real reentrancy flaws AI misses and how to secure your dApp.

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  Oleg Filatov
• Jul 07, 2026

A deep technical dive into Hyperliquid architecture. Discover how 24 validators control your USDC and why appchains are just glorified Web2 backends.

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  Oleg Filatov
• Jun 30, 2026

Learn how hidden ERC-20, 721, and 4626 flaws cause reentrancy and inflation attacks. Expert security guide for blockchain architects with code examples.

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  Oleg Filatov
• Jun 22, 2026

Learn how to earn high APY by providing liquidity to privacy protocols and shielded pools. Discover low-risk Anonymity Mining strategies for 2026.

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  Oleg Filatov
• Jun 12, 2026

Can AI deanonymize XMR and ZEC? Deep dive into temporal attacks, wallet fingerprinting, and practical privacy defense guide for developers.

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  Oleg Filatov
• Jun 04, 2026

Inside the smart contracts draining automated trading bots. Code execution, sandbox evasion, and dynamic fee attacks explained for Web3 devs.

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  Oleg Filatov
• May 25, 2026

Learn advanced on-chain data analytics with Dune SQL. Master user segmentation, cohort retention queries, and Sybil detection for Web3 dApps.

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  Oleg Filatov
• May 22, 2026

Learn how upgradeable smart contracts and proxy patterns function as admin backdoors to alter DeFi protocol logic and drain user funds.

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  Oleg Filatov
• May 16, 2026

Stop copy-pasting AI configs. We dive into the critical flaws in ChatGPT's logic that expose your IP and kill your node's anonymity. Stay dark, stay safe.

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  Oleg Filatov
• May 15, 2026

Ditch seed phrases for Passkeys. Learn how ERC-4337 and biometrics make crypto wallets more secure than banking apps with 100% phishing protection and social recovery.

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  Oleg Filatov
• May 04, 2026

Discover how hardware implants and supply chain attacks compromise crypto wallets. Learn to detect malicious hardware and protect your seed with expert security tips.