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Web3 (65)

Learn all about Web3. From self-custody to NFTs, GameFi, DAOs, and much more.
OKX Launches Bitcoin Halving-Themed Competitions
Bitcoin

What is the Bitcoin 2024 halving and how could it impact crypto?

April 19, 2024 saw the arrival of the fourth Bitcoin halving event — a significant development affecting the asset's circulation. But what is the Bitcoin halving exactly? According to the Bitcoin white paper , it's a built-in feature of Bitcoin's programming that occurs approximately every four years. This unique event cuts the number of Bitcoins awarded to miners for processing transactions in half. Why does this matter? Well, it's all about supply and control.
Jul 15, 2025
Intermediate
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Mining
Bitcoin

What is a block reward?

While the crypto industry has adopted plenty of concepts from traditional finance, it’s also created its fair share. One concept that’s emerged from the crypto industry is block rewards. Block rewards
Jul 15, 2025
Intermediate
Liquidity pools and APY
Altcoin
DeFi

What is AAVE: exploring the community-governed liquidity pool

Aave , formerly ETHLend, is a decentralized non-custodial borrowing and lending protocol that lets users deposit assets into liquidity pools to earn returns and borrow assets at a variable or fixed interest rate. It was launched in 2017 by Stani Kulechov, following a $17.8 million initial coin offering (ICO). Aave also allows users to take out uncollateralized, ultra-short duration loans known as .
Jul 15, 2025
Intermediate
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GameFi
Altcoin

What is Catizen: the purr-fect CATI airdrop guide for cat lovers

With the Telegram ecosystem exploding in popularity, we’re seeing a resurgence of the GameFi narrative in the form of Telegram mini-apps . Thanks to a combination of addictive gameplay and high accessibility, these top mini-apps have managed to steal the limelight and gain millions of users overnight. One example of such a Telegram mini-app is Catizen. With close to 30 million users and a personal shout-out from Telegram CEO Pavel Durov himself, Catizen certainly shows promise in attempting to become the largest cat-lover community in the world.
Jul 15, 2025
Beginners
Forward Contracts vs. Futures Contracts What Are the Differences
Blockchain

What Are Blockchain Bridges?

Blockchain technology has revolutionized the way we think about trust, security and value transfer. However, one of the challenges facing blockchain networks is their limited interoperability. Each bl
Jul 15, 2025
Web3 rewrites everything
Metaverse
Web3

The great rewrite: how Web3 changes everything

Web3, the third step in Internet’s history, changes everything. Where Web1 gives people information and Web2 lets them interact, Web3 gives them control. It’s not just about money, but how we purchase, how we govern our digitized identities, how we learn, and so much more.
Jul 15, 2025
Beginners
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Ethereum

How does Ethereum work?

Ethereum (ETH) is the second-largest cryptocurrency by market cap, a position it has occupied for years. Most people consider it the second-most important crypto project ever created. While [Bitcoin (
Jul 15, 2025
OKX's Proof of Reserves 23
Security

How to identify onchain scams and secure your wallet

As Web3 continues to evolve at pace, the onchain ecosystem is flourishing, with rising numbers of users participating in onchain transactions and other activities. Simultaneously, various onchain scams are emerging, with fraudsters tricking users into authorizing transactions or revealing their keys to steal assets.
Jun 16, 2025
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Blockchain
DeFi

What is a blockchain oracle?

Blockchain technology has gained significant popularity in recent years due to its potential to revolutionize virtually every industry in some way. However, in order for blockchains to function efficiently, they require trusted and reliable data sources. This is where blockchain oracles come in.
Jun 4, 2025
Intermediate
golpe de investimento
Security

How crypto scam detection tools can protect your digital assets

A recent report revealed that crypto scams are up by 45% since 2022. With the sophistication of artificial intelligence and the resulting rise in deep fakes, the crypto community has to remain more vigilant than ever.
May 20, 2025
Beginners
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Bitcoin

A beginner’s guide to Satoshi: The smallest unit of Bitcoin

Bitcoin (BTC) was the first cryptocurrency to ever be created, and is now the largest by market cap. You can find it on almost any digital currency exchange. While Bitcoin was intended to act as a cur
Apr 28, 2025
trade-academy-spot-1
DeFi

The 19 best decentralized exchanges in 2025

During the early stages of cryptocurrency, centralization was still a significant aspect of the sector. While crypto projects sought decentralization, users could only trade assets on centralized exchanges (CEXs). Over the years, developers tried to build decentralized exchanges (DEXs), but these attempts were largely unsuccessful. The main issue with DEXs back then was the need for more liquidity.
Apr 28, 2025
1
What is a Web3 wallet? Learn banner
Web3
Security

What is a Web3 wallet? How do custodial vs non-custodial wallets work?

As the world of cryptocurrencies continues to evolve, understanding the different types of wallets available is crucial for secure and convenient management of digital assets. TL;DR Explore the concept of Web3 wallets
Apr 24, 2025
endereço de carteira blockhain
NFT

The 9 best NFT wallets to try in 2024

Within the Web3 and blockchain space, non-fungible tokens (NFTs) have gained traction. They offer a unique way for artists, musicians, and creatives to monetize their content. The events industry has also taken notice, using NFTs as tickets for their events.
Apr 24, 2025
Beginners
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NFT
Bitcoin

Ordinals: the new NFTs on the block(chain) - a beginner's guide

Are you tired of boring digital collectibles? If so, now's your chance to add some pizzazz to your collection with BTC digital artifacts. The world of NFTs became much more interesting with the introduction of ordinal theory — a newly emergent protocol that's creating plenty of buzz in 2023. The concept allows each satoshi, the smallest unit of Bitcoin, to be ranked, ordered, inscribed, and individually transferred. But that's not all. Individual satoshis can also be inscribed with unique, immutable data stored entirely on the blockchain.
Dec 9, 2024
Intermediate
DEX DeFi generic
DeFi

What is an automated market maker in crypto?

Automated market makers (AMMs) are a form of decentralized cryptocurrency trading platform that uses smart contracts to enable token swaps and value exchange. Unlike centralized exchanges, this process doesn't rely on order books to determine asset prices. Instead, it uses a mathematical formula to determine prices based on the asset's supply and demand curve.
Sep 26, 2024
1
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Ethereum
Layer2

What Is Ontology?

![What Is Ontology O](//images.ctfassets.net/4nqoo8goeymu/BdCMTbA4GeMbND3YJxNBl/85a649264376aa2b6ca387fb1b1e1d84/What-Is-Ontology-O.png) Ontology is a fast, secure, and accessible layer-2 public block
Sep 2, 2024
trade-academy-beginner-4
DeFi
Protocols

What Is Balancer Exchange?

Balancer is a decentralized and permissionless exchange powered by an automated market maker. The goal of this project is to provide a crypto asset exchange service that is devoid of centralized infra
Sep 2, 2024
1
Forward Contracts vs. Futures Contracts What Are the Differences
DeFi
Protocols

What is Augur?

Augur is a decentralized protocol where users can launch prediction markets powered by smart contracts. It provides the technology required to bet on the potential outcomes of events. Not only that, the entirety of the process, including betting and settlements, occurs on the blockchain. This means that there is no room for intermediaries and the associated costs. In this article, we’ll look at what is Augur and how it works.
Sep 2, 2024
Intermediate
trade-academy-beginner-4
Protocols

What Is BitTorrent?

BitTorrent is a decentralized application built to enable peer-to-peer file-sharing between people whose computers function as nodes on the network. BitTorrent was created by Bram Cohen in 2001, and i
Sep 2, 2024
trade-academy-spot-1
Altcoin

What Is Dash?

Dash is a decentralized, peer-to-peer (P2P) payment protocol and cryptocurrency, whose transactions are recorded on the blockchain. Users can instantly send and receive secure digital payments with mi
Sep 2, 2024
demo trade
Protocols
DEX

What is SushiSwap (SUSHI)

Sushiswap is a multichain decentralized exchange (DEX) that was originally launched on the Ethereum blockchain. On Sushiswap, users can swap the tokens they hold with other tokens on the DEX. For exam
Sep 2, 2024
demo trade
Altcoin

What is Numeraire (NMR)?

The Numeraire cryptocurrency is the product of the hedge fund company Numerai, which helps researchers to predict stock market behavior by issuing a cleaned, regularized, and obfuscated data set. The
Sep 2, 2024
Inscriptions generic thumbnail
Bitcoin
Ethereum
Altcoin

About inscriptions and how they're shaping Web3's growth

What are inscriptions? Inscriptions are a powerful new method of storing images, videos, audio, text, and code directly on a blockchain. Similar to NFTs, you can view inscriptions as digital artifacts. For example, if we were to examine ordinals, the metadata is encoded on a satoshi, the smallest unit of . Ordinals are a means of tracking individual satoshis, which you can attach data to the blockchain by inscribing them directly on chain.
Apr 25, 2024
Beginners
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