Have you ever swapped tokens on a DEX like Uniswap or Balancer? If yes, then there’s a chance that you have been a victim of a sandwich or frontrunning attack. In most cases, these attacks would steal a tiny fraction of your transaction value, so you might not even notice. But in case of a large transaction, the impact could be as high as a hundred thousand Dollars! Estimates of total value lost to MEV attacks are ~$700 Million+.