Practical Byzantine Fault Tolerance can be a consensus algorithm introduced within 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 ask for will be acquired) methods. It is optimized for minimal overhead time. https://financefeeds.com/blockdag-could-be-the-top-presale-copyright-of-2025-heres-why/