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ERC-20

ERC-20 (Ethereum Request for Comments 20) Ethereum blockchain par fungible tokens banane ka…

Overview

ERC-20 — Quick Facts

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Property: Detail

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Topic: ERC-20

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Full Name: Ethereum Request for Comments 20

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Category: Blockchain / Web3 / Smart…

Topic 1

Kya Hai ERC-20

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ERC = Ethereum Request for…

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Fungible = interchangeable. 1 USDT…

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Token = digital asset jo…

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Standard = set of rules/interface…

Topic 2

ERC-20 Required Functions

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Transfer(from, to, value) — jab…

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Approval(owner, spender, value) —…

Topic 3

Popular ERC-20 Tokens

🎯 | Token | Symbol | Use Case | Note | |---|---|---|---| | Tether | USDT | Stablecoin (1…

Topic 4

How ERC-20 Works

⭐ `mermaid flowchart TD U[User / Wallet] -->|"1. Call transfer()"| SC[ERC-20 Smart…

Topic 5

ERC-20 vs Other Token Standards

🔑 | Standard | Type | Key Difference | Example | |---|---|---|---| | ERC-20 | Fungible…

Topic 6

Limitations

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No callback mechanism — agar…

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Approve race condition — agar…

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Gas fees — har transfer me…

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No built-in metadata — ERC-20 me…

Topic 7

Best Practices

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Follow the standard exactly — sab…

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Use tested libraries —…

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Emit events — Transfer aur…

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Handle decimals carefully —…

Comparison

ERC-20 vs Other Token Standards

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ERC-20: Fungible token

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ERC-721: Non-fungible token (NFT)

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ERC-1155: Multi-token standard

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

ERC-20 ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

ERC-20 ka 'Topic' kya hai?

Complete! 🎉

ERC-20 Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

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ERC-20 Complete

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ERC-20

ERC-20 — Quick Facts

Property: Detail

Topic: ERC-20

Full Name: Ethereum Request for Comments 20

Category: Blockchain / Web3 / Smart…

Kya Hai ERC-20

ERC = Ethereum Request for…

Fungible = interchangeable. 1 USDT…

Token = digital asset jo…

Standard = set of rules/interface…

ERC-20 Required Functions

Transfer(from, to, value) — jab…

Approval(owner, spender, value) —…

Popular ERC-20 Tokens

How ERC-20 Works

ERC-20 vs Other Token Standards

Limitations

No callback mechanism — agar…

Approve race condition — agar…

Gas fees — har transfer me…

No built-in metadata — ERC-20 me…

Best Practices

Follow the standard exactly — sab…

Use tested libraries —…

Emit events — Transfer aur…

Handle decimals carefully —…

ERC-20 vs Other Token Standards

ERC-20: Fungible token

ERC-721: Non-fungible token (NFT)

ERC-1155: Multi-token standard

Visual Flow

See Also

Ethereum

Smart_contract

Token

Blockchain

Cryptocurrency

Solidity

Quiz — Question 1

Quiz — Question 2

ERC-20 Complete!

ERC-20 Complete

Ethereum