Practical Byzantine Fault Tolerance is really a consensus algorithm released in the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work effectively in asynchronous(no higher certain on when the response to the request will be gained) systems. It is optimized for lower overhead time. Its https://financefeeds.com/revolut-launches-its-own-branded-atms-in-spain-plans-to-expand-across-europe/