I'm not a crypto-nerd or even a hacker, but I do love a good hacking story, similar to how I can't be bothered to play EVE Online, but enjoy the tales of intrigue and warfare that come out of it. This is article refererences some interesting concepts in the blockchain world, notably frontrunning, the mempool, and whatever the hell gas is. ***** https://www.moneycontrol.com/news/business/cryptocurrency/all-you-need-to-know-about-front-running-in-crypto-trading-7590531.html https://www.investopedia.com/terms/g/gas-ethereum.asp