On-chain Safety Education
Onchain Diary is an independent Web3 safety education site: 85 deep-dive articles and a 223-term glossary 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.
A field guide to reporting stolen crypto: how to assemble the evidence package, file the FBI IC3 complaint field by field, send exchange freeze requests that get read, and what to realistically expect after you hit submit.
In one week of September 2026, two protocols lost real Bitcoin to the same trick: minting unbacked wrapped assets with fake deposit receipts. A field dissection of the Liquid Network and Symbiosis exploits.
Stolen funds usually end their trail in a privacy layer. How mixers, Zcash shielded pools, and viewing keys change crypto fund tracing, and what victims can still realistically do.
A privacy-branded crypto project claimed its identities were encrypted. The page source told a different story. Here is the three-step check anyone can run before trusting a privacy claim.
Infostealers grab browser cookies, saved passwords, and wallet vaults in seconds. The full crypto kill chain, the 2025 takedowns, and the defenses that work.
Your wallet was drained or your exchange account emptied. What you do in the next 24 hours decides whether the theft is survivable: triage the intrusion type, secure remaining assets in the right order, build the evidence package, and get freeze requests out before funds reach a mixer.
Reading is half. The other half is recall.
Every question is drawn strictly from the Yellow Paper's own text. No outside knowledge required — if you've read it, you can pass it.
Take the quiz → T-02Sixteen scenario questions sort you into one of sixteen security personas — hunter or prey — with a safety index and a shareable result card.
Find your type →A few terms to get you going — the full glossary has 223+.
Whether you're new to crypto or deep into DeFi, understanding how scams work is the best defense. Every guide here is free.
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