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Smart contracts are self-executing digital agreements written in computer code that exist on blockchain networks. They've become an essential technology in crypto's continued emergence, being key to the creation and inner workings of .

Gas fee Fee paid to miners. Take Ethereum as an example: when a user transfers money on the Ethereum network, the transaction can only be completed after miners pack this transaction and put it on the blockchain. This process consumes the computational power of the blockchain.

You may have heard the phrase “not your keys, not your coins” uttered in the cryptocurrency industry before. The keys being referred to here are private keys — a secret number used in cryptography — w

Staking has become a new buzzword in the crypto space recently. Although this concept has long existed since the introduction of Proof-of-Stake (PoS) consensus, it didn’t come into the public’s focus

When Vitalik Buterin built Ethereum , he wanted to push the boundaries of blockchain technology. Bitcoin inspired him, but he felt the tech should do more than just process transactions. As a result, he built the Ethereum blockchain network. Ethereum has all the features of Bitcoin. It can process peer-to-peer transactions and store them in an immutable and decentralized way. It can also do certain things that Bitcoin can’t. For example, it can run smart contracts.

As the world moves to decentralized finance (DeFi), more people are utilizing the Ethereum network, making Ethereum's gas fees a topic of discussion in the Web3 space. The utility of Ethereum's ecosystem has resulted in higher gas fees and increased congestion on the network.

Misconceptions around “The Merge” — Ethereum’s network switch from energy-intensive proof-of-work to environmentally friendly proof-of-stake — are rampant. From social media to mainstream media, there

Scalable solutions improve the quality of blockchain networks by increasing their throughput and enabling them to become faster and more efficient. Ethereum Plasma is a solution that makes Ethereum mo

Web3, also known as the decentralized web. It is a vision for the future of the internet that is gaining traction among tech companies, experts, and internet users. Web3 is a model for building and ac

Ever since the blockchain was created, it became apparent that the technology offered numerous benefits over that used in traditional banking. Although it took a long time, financial institutions finally started paying attention to it. However, blockchain technology isn’t the only piece of evolutionary technology to emerge from the fintech space.

In mid-2020, the crypto industry saw a rise of a trend that changed the way people use digital currencies. The trend in question was decentralized finance (DeFi), which opened new doors to crypto user

In the early days of the internet, if you wanted to access a website, you had to type in an IP address – a long string of numbers that identified a particular server. This was a cumbersome and error-p

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 (

The rise of cryptocurrencies and [blockchain technology](/learn/what-is-blockchain-address) has led to the emergence of various trends and revolutionary technology. Decentralized finance (DeFi) is a p

The art world has significantly shifted towards digital media and non-fungible tokens (NFTs) in recent years. The medium has emerged as a new platform for artists to showcase their talents and earn recognition for their work. Many famous NFT artists have gained widespread attention for their unique styles and impressive sales figures.

Navigating the Ethereum blockchain, with its vast number of transactions and intricate smart contracts, requires a reliable guide. To many, Etherscan is the answer. The tool offers insights into transaction histories, unraveling the complexities of smart contracts and providing a professional lens into the workings of the decentralized financial landscape. Read on as we explore the functionalities and advantages brought by Etherscan.

Self-custody wallets have often been touted as a great way to keep your crypto safe, and for good reason. By taking your crypto off of centralized exchanges and holding your own private keys, you reduce the risk of hacks, scams, and theft. And instead of trusting another entity to protect your assets, you get to act as your own "bank," where you are in complete control of your assets. Self-custody isn't for everyone, though, and it comes with some real limitations. Here's what you need to take into account when weighing in wether or not to self-custody your crypto.

A digital currency created by a central bank that is loosely inspired by Bitcoin and other crypto assets CBDC stands for central bank digital currency. Loosely inspired by Bitcoin and other crypto ass

Non-Fungible Tokens (NFTs) strongly disrupted the crypto industry after they went big in early 2021. They showed crypto users that they could prove ownership of practically anything. Whether digital o

 One of the key issues surroundi

As the world of cryptocurrency continues to grow, more and more users are entering the market and handling their digital assets. One critical aspect of managing these assets is the seed phrase, a uniq

The OKX NFT Marketplace is the most comprehensive multichain open [NFT](/learn/what-are-nfts) marketplace in Web3. Supporting 11+ blockchain networks and all major NFT marketplaces like Opensea, Looks