# Useful Web3 Websites for Beginners

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> 💡 Teaching yourself `Web3` isn't easy. As someone who recently got started with Web3, I've put together the simplest and most straightforward beginner's tutorial. By integrating quality open-source community resources, I hope to guide everyone from beginner to expert in Web3. Updated 1-3 lessons per week.
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> Recommended exchange for buying BTC / ETH / USDT: [Binance](https://www.binance.com/en) [Registration Link](https://www.bsmkweb.cc/register?ref=39797374)

## Table of Contents

- [Introduction](#introduction)
- [Blockchain Explorers](#i-blockchain-explorers)
- [Cryptocurrency Market Data Websites](#ii-cryptocurrency-market-data-websites)
- [DeFi Tools](#iii-defi-tools)
- [Reputable Exchange Websites](#iv-reputable-exchange-websites)
- [FAQ](#faq)
- [Summary](#summary)

## Introduction

Entering the Web3 world for the first time feels like being an explorer hacking through the undergrowth — surrounded by a mysterious and unfamiliar tropical rainforest, full of unknowns and opportunities. Without a guide, every step could lead you astray; without tools, even the simplest exploration becomes a challenge.

We've all experienced this kind of confusion — myself included. Because of those experiences, I've specially compiled this "survival toolkit" — a collection of time-tested Web3 utility websites. These sites will serve as your star chart in the blockchain world, helping you find your way in a field full of opportunities and challenges.

Let's begin our journey of collecting these "golden compass needles"!

## I. Blockchain Explorers

### 1. [Etherscan](https://etherscan.io/)
Etherscan is an Ethereum blockchain explorer that lets you view transaction records, contract addresses, token information, and more on the blockchain. Etherscan also provides an API for programmatically accessing blockchain data.

### 2. [PolygonScan](https://polygonscan.com/)
PolygonScan is a Polygon network blockchain explorer that lets you view transaction records, contract addresses, token information, and more on the blockchain. PolygonScan also provides an API for programmatically accessing blockchain data.

### 3. [xxxscan](https://xxxscan.com/)
Almost every blockchain has its own xxxscan explorer. You can apply this pattern to find the explorer for any chain.

### 4. [Mempool](https://mempool.space/)
Mempool is a Bitcoin blockchain explorer that lets you view transaction records, addresses, data, and more on the Bitcoin blockchain. Mempool also provides an API for programmatically accessing Bitcoin blockchain data.

## II. Cryptocurrency Market Data Websites

### 1. [CoinMarketCap](https://coinmarketcap.com/)
CoinMarketCap is a cryptocurrency market data website where you can view prices, market capitalization, trading volume, and other information for digital assets. CoinMarketCap also provides an API for programmatically accessing cryptocurrency data.

### 2. [CoinGecko](https://www.coingecko.com/)
CoinGecko is a cryptocurrency market data website where you can view prices, market capitalization, trading volume, and other information for digital assets. CoinGecko also provides an API for programmatically accessing cryptocurrency data.

## III. DeFi Tools

### 1. [DefiLlama](https://defillama.com/)
DefiLlama is a DeFi data analytics platform that provides data such as TVL (Total Value Locked), yield rates, and more for various DeFi protocols. DefiLlama also provides an API for programmatically accessing DeFi protocol data.

## IV. Reputable Exchange Websites

### 1. [Binance](https://www.binance.com/)
Binance is a globally leading digital asset trading platform offering trading services for Bitcoin, Ethereum, BNB, and other digital assets. Binance also provides an API for programmatically accessing digital asset data.

When registering for Binance, feel free to use my referral code for a trading fee discount: [Referral Code](https://www.binance.info/activity/referral-entry/CPA?ref=CPA_00EZI5X6IS)

### 2. [OKX](https://www.okx.com/)
OKX is a globally leading digital asset trading platform offering trading services for Bitcoin, Ethereum, OKB, and other digital assets. OKX also provides an API for programmatically accessing digital asset data.

When registering for OKX, feel free to use my referral code for a trading fee discount: [Referral Code](https://cnouyi.studio/join/7133496)

## FAQ

#### ❓ What's the difference between a blockchain explorer and a regular web browser?

The main differences between a blockchain explorer and a regular web browser are:

1. **Search content**: A regular browser searches web pages, while a blockchain explorer searches transactions, blocks, addresses, and contracts.
2. **Purpose**: A regular browser displays web content, while a blockchain explorer is used to view on-chain data.
3. **Features**: Blockchain explorers provide specialized features such as transaction confirmation lookups, smart contract code viewing, gas fee calculations, and more.

#### ❓ Why should you use multiple cryptocurrency market data websites?

Reasons for using multiple cryptocurrency market data websites include:

1. **Data accuracy**: Different websites have different data sources and update speeds; cross-referencing provides more accurate information.
2. **Complementary features**: For example, CoinMarketCap and CoinGecko differ in API accessibility, and some data processing is more comprehensive on one versus the other.
3. **Different perspectives**: Different platforms have different listing standards and rating methods for new projects, providing multi-angle viewpoints.

#### ❓ How can you tell if an exchange is trustworthy?

Key factors for evaluating an exchange's reliability include:

1. **Regulatory status**: Whether it holds legitimate licenses and regulatory approvals.
2. **Track record**: How long it has been operating and its history, including how it handled hacking incidents.
3. **Trading volume and liquidity**: High trading volume generally indicates greater user trust.
4. **Transparency**: Whether it publicly discloses its reserve funds and corporate structure.
5. **User reviews**: Reputation in the community and user experience feedback.

## Summary

On your Web3 journey, having resources is like having a clear star chart — it can keep you from getting lost in treacherous waters. The blockchain explorers, market data websites, DeFi tools, and exchanges introduced in this article are essential gear for your voyage of exploration.

Whether you've just set up your first crypto wallet or are already diving deep into DeFi, these websites will serve as your powerful support system. As you grow in the Web3 space, you'll find that the value of these tools only becomes more apparent.

Remember — information is power! Keep these websites bookmarked, stay curious, and keep exploring! Let's continue discovering more Web3 wonders together in the next article.

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