Blockchain

A decentralized digital ledger that securely records transactions across a network of computers, using cryptographic hashes to link data in a way that is transparent, immutable, and resistant to tampering.

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CeFi

CeFi (Centralized Finance) refers to financial services that are facilitated through centralized institutions such as banks, exchanges, and financial service providers. These institutions manage users' funds, transactions, and other services while maintaining control and oversight. Unlike DeFi, which operates on decentralized networks, CeFi is governed by centralized authorities, often involving intermediaries to provide a more traditional finance experience.

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Cex

A Centralized Exchange (CEX) is a platform where users trade cryptocurrencies through an intermediary, typically a company or organization, that controls the platform. These exchanges handle the custody of users' funds and private keys, meaning that users trust the exchange to secure and manage their assets. Centralized exchanges are often easy to use, provide high liquidity, and offer a variety of trading pairs. However, they come with risks such as hacking, security breaches, and loss of control over funds. Some popular examples of CEX platforms include Coinbase, Binance, Kraken, and Crypto.com. For a better list of centralized and decentralized exchanges, check out this page.

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Cryptocurrency

Cryptocurrency is a type of digital or virtual currency that uses cryptography for security, making it difficult to counterfeit or double-spend. Unlike traditional currencies issued by governments (fiat currency), cryptocurrencies operate on decentralized networks based on blockchain technology, which is a distributed ledger maintained by a network of computers (also known as nodes). Cryptocurrencies allow for peer-to-peer transactions over the internet without the need for intermediaries like banks or payment processors. This makes them accessible, transparent, and resistant to censorship. Popular examples of cryptocurrencies include Bitcoin, Ethereum, and Solana.

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DeFi

DeFi (Decentralized Finance) is a new way of handling money that doesn’t rely on banks or middlemen. Instead, it uses blockchain technology and smart contracts to let people trade, lend, borrow, and earn interest directly—without needing permission from a central authority. DeFi runs on networks like Ethereum and gives users full control over their assets while making financial services more open and accessible to anyone with an internet connection.

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DEX

A Decentralized Exchange (DEX) is a peer-to-peer marketplace where cryptocurrency traders can transact directly without relying on a centralized intermediary. Unlike centralized exchanges, DEX platforms operate on blockchain technology, using smart contracts to facilitate trades while allowing users to retain control of their private keys and funds. This decentralized approach enhances security and reduces the risk of hacks or censorship. However, DEXs often have lower liquidity compared to centralized exchanges and may require more technical knowledge to use effectively.

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MEV

Miner Extractable Value (MEV) refers to the profit that a miner, validator, or anyone with the ability to order transactions within a block can extract from transactions. This can include actions like: Front-running: When a bot or miner sees a trade coming through and places their own order before it, capitalizing on price changes. Back-running: The opposite of front-running, where a bot places a trade after a large transaction to benefit from price movement. Sandwich attacks: This is a form of front-running where an attacker places a buy order right before a large trade, and a sell order immediately after it, manipulating the price.

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