wallet security

How to revoke token approvals: 2026 step-by-step guide safely By the end of this guide, you will know how to revoke token approvals, check whether the revocation worked, and decide which permissions are worth removing first. The goal is practical wallet hygiene, not panic-clicking every button...

Build AI agent crypto: step-by-step developer guide 2026 By the end of this guide, you will have a secure-by-default blueprint for a crypto AI agent that can read wallet data, reason over market and chain context, prepare testnet transactions, and ask for approval before anything is signed. The...

What Is a Crypto Airdrop (And Why Do Projects Give Away Free Tokens)? A free crypto airdrop is a marketing method where a blockchain project distributes its native tokens directly into the digital wallets of users, completely free of charge. It’s a promotional giveaway intended to generate...

What is a Wallet Drainer? A wallet drainer is malicious code, often hidden inside a seemingly legitimate website or decentralized application (dApp), that tricks you into approving transactions which empty your cryptocurrency wallet. It is a sophisticated digital trap designed to steal your...

What Are Altcoins? A Quick Introduction So, you're ready to explore the world beyond Bitcoin. Before you learn how to buy altcoins , let's quickly cover what they actually are. The term "altcoin" is simply shorthand for "alternative coin"—it refers to any cryptocurrency that isn't Bitcoin. Think...

What Is L2 Airdrop Farming (And Why Should You Care)? L2 airdrop farming is the process of strategically interacting with Layer 2 blockchain protocols that have not yet released a token. The primary goal is to qualify for a future free distribution of their native token, known as an airdrop, by...

Metaverse Scam Guide: How to Stay Safe in Virtual Worlds What a metaverse scam is and why virtual worlds attract fraud A metaverse scam is a fraud that uses virtual worlds, NFT projects, digital land sales, gaming economies, or related social channels to trick people into sending money,...

Learn what a seed phrase is, why it's vital for crypto wallet security, and discover tips to keep your assets safe. Protect your crypto with a seed phrase.