The Task Scammer Who Lost 60 BTC to a Tampered Ledger Wallet
A task-scam operator kept 60 BTC of stolen proceeds in tampered Ledger wallets — drained in a single morning. A rare look at scammers getting scammed.
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Onchain Diary is an independent Web3 safety education site: 120 deep-dive articles, a 232-term glossary, and the complete BIP-39 wordlist: covering 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.
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Denmark CPR Breach: 8.8M Identities Sat Behind a '123456' Password
Millions of citizen records with trivially weak passwords — and crypto accounts in the blast radius. What the breach exposed and what to do now.
Ledger Implants Reach European Retail: Two MediaMarkt Devices, One 'Eurasian Version' Antenna
Hardware implants found in Ledger devices at European retail; the chain delisted Ledger group-wide. What's verified, what's speculation, what to check.
Bitcoin Blackmail Emails Explained: The Password Is Real, the Video Is Not
Got an email with your real password demanding Bitcoin? The webcam video is fake. Here's how the scam works and what to do in the first hour.
FMMR Mining Scam: A Fake Pool Farmed 151 Wallets for Over 1.5M USDC — and the Permits Are Still Live Until 2030
FMMR Mining is a fake pool that farmed 151 wallets for 1.5M USDC. Victims signed permits valid until 2030 — if you connected a wallet, revoke now.
The Ledger–CryptoBilis Hack: How Buying a Trusted Reseller Became the Attack
An authorized reseller was secretly acquired and its devices implanted — buyers lost an estimated $72M–$90M. Full timeline of the takeover.
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T-01
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