Discover how smart contracts work, the most common token standards, and real-world use cases that power decentralized application
Anatomy of an Ethereum Transaction Intermediate Smart Contracts • ~12 min read • Updated: 08/08/2025 TL;DR: Every Ethereum transaction contains structured data: nonce, gas, calldata, and signature which defines what’s executed, who sent it, and how much it costs. On this page Transaction basics Nonce Gas limit & gas price To address & value Calldata […]
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ERC-20 vs ERC-721 vs ERC-1155: Token Standards Beginner Smart Contracts • ~8 min read • Updated: 08/08/2025 TL;DR: ERC-20 = fungible tokens (like currencies), ERC-721 = unique NFTs, ERC-1155 = multi-token standard supporting both fungible & non-fungible in one contract. On this page Why token standards exist ERC-20 — fungible tokens ERC-721 — non-fungible tokens
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