Sandwich Attack
A form of MEV exploitation where a bot spots a user's pending swap, buys the token first (pushing the price up), lets the user buy at the inflated price, then sells — profiting from the user's trade at the user's expense.
Mike Starr
Founder, CryptoWizardTools · M.S. Organizational Management
Last reviewed: August 2026
Related Terms
ETF
Exchange-Traded Fund. A type of investment fund traded on stock exchanges that tracks the price of an underlying asset, such as Bitcoin or Ethereum.
Initial DEX Offering
A token launch that takes place on a decentralized exchange rather than a centralized platform. IDOs give the public earlier access to new projects and allow for immediate open-market trading once launched.
MEV
Maximal Extractable Value. The profit that can be extracted by reordering, including, or excluding transactions within a block. MEV bots front-run and sandwich transactions on public mempools, which can worsen execution for ordinary users.
Consensus Mechanism
The method by which a blockchain network agrees on the current state of the ledger. Common mechanisms include Proof of Work and Proof of Stake.
Paper Trading
Simulated trading using virtual money to practice strategies without risking real funds. Paper trading is a useful way for beginners to learn how markets work and test trading ideas before committing actual capital.