
Practical security across Web2 and Web3
The original security guide, covering account access, devices, phishing and everyday crypto use.
MASTR · 2024–2026
From the first contact to the permission, key or device an attacker wants.
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The original security guide, covering account access, devices, phishing and everyday crypto use.
Recovery scams: targeting someone who has already lost funds. Dated original source, with context and links.

In the world of cryptocurrency, security is paramount. A cold wallet, also known as a hardware wallet or offline wallet, offers a crucial layer of protection for your digital assets. Unlike hot wallets, which are connected to the internet,…

An early MASTR guide to online deception, impersonation and the techniques used to win a victim’s trust.
⚠️ Scammers are increasingly adding people from legitimate Telegram groups of tokens into fake "news" or "airdrop" channels. These fraudulent channels mimic the original ones and offer fake airdrops. Clicking on these airdrop links will…