Practical Byzantine Fault Tolerance is a consensus algorithm released while in the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work proficiently in asynchronous(no upper sure on when the reaction for the request will be gained) devices. It can be optimized for lower overhead time. https://financefeeds.com/magacoin-finance-vs-ethereum-and-dogecoin-which-copyright-could-lead-gains-in-the-2025-bull-run/