NFT Security Masterclass

A deep-dive into how NFT wallets actually get drained — signature types, blind signing, approval hygiene, drainer-kit anatomy, and what to do after it happens.

1. 01

   Signature Types: What Each One Actually Lets an Attacker Do

   eth_sign, personal_sign, and signTypedData_v4 each give attackers a different weapon. Learn what your wallet computes when you click Sign — and what it costs you if you're wrong.

   4 min read · advanced

2. 02

   Blind Signing: When Your Wallet Shows Hex

   Your hardware wallet's secure element is only useful if you can read what you're signing. Learn how blind signing works, what ERC-7730 fixes, and the rules for staying safe.

   9 min read · advanced

3. 03

   The setApprovalForAll Debt: Auditing and Revoking NFT Approvals

   Every marketplace listing silently grants unlimited transfer authority over entire collections. Learn how to audit and revoke NFT approvals before an attacker uses them against you.

   9 min read · advanced

4. 04

   Drainer Kits in 2026: Anatomy and the Current Landscape

   Crypto drainer kits have industrialised phishing into a franchise model. Learn the kit genealogy, DaaS economics, six UI/UX attack vectors, and what actually stops a drain.

   11 min read · advanced

5. 05

   After a Drain: Recovery, Reporting, and Damage Control

   Your NFT wallet was drained. Here is what to do in the next hour, how to build a paper trail, what recovery actually looks like, and the scam wave targeting victims days later.

   9 min read · advanced