Practical Byzantine Fault Tolerance can be a consensus algorithm released in the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work proficiently in asynchronous(no upper bound on when the reaction towards the ask for will be been given) systems. It is optimized for minimal overhead https://financefeeds.com/atfx-reinforces-commitment-to-africas-trading-growth-at-fmas-2025/