On-chain Safety Education
Plain-English guides on crypto scams, smart contract security, and on-chain analysis. No jargon. No sign-up. No tools to install. Just the knowledge you need to stop getting rekt.
Guides, tutorials, and deep dives.
An audit badge tells you almost nothing on its own. Learn how to read scope, severity levels, and fix statuses in a smart contract audit report — and spot the projects that only look audited.
SIM swapping lets attackers take over your phone number, then your exchange accounts. Here's the full attack chain, real cases, and the defenses that actually stop it.
Clipboard hijackers silently swap the wallet address you copy for one controlled by the attacker. We explain how the malware works, the documented campaigns from the 2.3-million-address 2018 operation to modern clipboard-injector kits, and the two-second habit that defeats all of them.
Pig butchering is the single highest-loss cybercrime category in the FBI's IC3 data. We break down how the grooming funnel works, what the fake trading platforms actually do to your deposits, and what the money trail looks like on-chain.
NFT wash trading fakes volume and floor prices to bait organic buyers. This guide gives a step-by-step detection workflow — token ID recycling, funding forensics, round-trip cost math — with the on-chain signals that hold up.
Fake airdrop claim sites drained $494M from users in 2024 alone. We take apart the biggest operations — Inferno Drainer's 16,000-domain network, the $1.25M Polygon NFT airdrop phishing wave, and the Cointelegraph pop-up attack — to show the machine behind the losses.
A few terms to get you going — the full glossary has 220+.
Whether you're new to crypto or deep into DeFi, understanding how scams work is the best defense. Every guide here is free.
Start Reading →