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7×24 Crypto Guide
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Wallet & On-chain

Wallet & On-chain explains how Web3 wallets work and teaches you the fundamentals of blockchain interactions. Learn how to create and secure wallets such as MetaMask, OKX Wallet, and Phantom; how to protect your seed phrase; how gas fees, transaction nonce, and signatures work; and how to safely interact with smart contracts. This category also covers essential on-chain concepts like RPC networks, approvals, and permission revoking, ensuring you can operate safely and confidently in Web3.

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分类 Wallet & On-chain

What Is Cryptocurrency? A Simple Guide for Beginners

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