Practical Byzantine Fault Tolerance is a consensus algorithm introduced within the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work competently in asynchronous(no upper certain on when the reaction for the ask for will be obtained) methods. It is optimized for very low overhead time. https://financefeeds.com/global-fx-market-summary-geopolitical-risk-and-oil-us-crude-inventories-fed-ecb-19-june-2025/