The Certified Crypto Market blog
Crypto, explained.
Scams, exposed.
Plain-English guides to protect your money: how to research a project, spot a scam, store coins safely and understand every major cryptocurrency.
4 articles for “signatures” · clear
Wallet Permissions and Connected Sites
What wallet connected sites can and cannot do, how connections differ from token approvals and signatures, and how to review and remove permissions safely.
Oct 10, 2026 · 4 min read
Fake WalletConnect and Wallet Pop-Up Phishing: How It Works and How to Stay Safe
WalletConnect phishing uses fake connect windows and wallet pop-ups to steal seed phrases or signatures. Learn how it works, warning signs and what to do next.
Oct 4, 2026 · 5 min read
Wallet Drainers: How Malicious Approvals Steal Your Crypto
A wallet drainer tricks you into signing approvals that let attackers empty your wallet. Learn how drainers work, the warning signs and how to protect yourself.
Oct 3, 2026 · 5 min read
How NFT Marketplaces Work
How does an NFT marketplace work? Learn how listings, bids, signatures, fees and royalties work, how to spot fake collections and how to trade NFTs more safely.
Oct 3, 2026 · 5 min read