Plain guides for keeping crypto safe: lock down exchange accounts, spot phishing, store seed phrases, revoke token approvals, and learn from the biggest hacks.
- How to secure your crypto exchange account in 2026
A step-by-step hardening guide for Binance, OKX, Coinbase and any other exchange: 2FA, anti-phishing codes, withdrawal whitelists, API keys and session hygiene. 8 min.
- How to spot a crypto phishing site or fake support agent
Fake exchange logins, poisoned search ads, Discord 'support' and wallet-drainer sites: the tells, the tricks and the habits that make you immune. 7 min.
- Seed phrase security and hardware wallets: the complete guide
How seed phrases work, where to store them, which hardware wallet to buy, how to use a passphrase, and how to test your recovery before you need it. 10 min.
- Token approvals explained: how to review and revoke them
What ERC-20 approvals, setApprovalForAll and Permit signatures do, why unlimited approvals are dangerous, and how to revoke them on Ethereum, L2s, BNB Chain and Solana. 6 min.
- How to evaluate whether a crypto exchange is safe
A due-diligence framework: proof of reserves, licensing, insurance funds, hack history, withdrawal reliability and the red flags that preceded FTX, Mt. Gox and DMM Bitcoin. 9 min.
- Airdrop scams, wallet drainers and pig-butchering: how they work and how to avoid them
The playbook behind fake airdrops, drainer kits, romance and 'investment' scams, fake job offers and address poisoning, with the specific defence for each. 8 min.
- Security checklist
20 checks for exchange accounts, wallets, phishing and devices. Progress saved in your browser.