Practical Byzantine Fault Tolerance is really a consensus algorithm introduced in the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work successfully in asynchronous(no upper certain on when the response towards the request will be received) units. It is actually optimized for low overhead time. https://financefeeds.com/blockdag-breaks-294m-the-best-copyright-presale-of-2025-outpaces-hype-kas/