Recently, Alpha and Chinese meme coins have become popular again, with many friends participating in primary market activities and Alpha trading. I've received numerous reports from friends being sandwiched. Let me explain what a sandwich attack is, how to avoid it, and what MEV protection means.
A sandwich attack (also known as a 'sandwich attack' or 'sandwiching') is a common form of MEV (Maximal Extractable Value) attack. In simple terms, it's a clever arbitrage strategy that exploits transaction ordering.
What is a sandwich attack?
When making large transactions on decentralized exchanges (DEXs), such as PancakeSwap, your transaction first enters the public "mempool" and waits to be packaged into a block. (Commonly referred to as [confirmation], the blockchain needs to mine and broadcast your transaction for confirmation.)