Practical Byzantine Fault Tolerance is really a consensus algorithm released from the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work proficiently in asynchronous(no upper sure on when the response towards the ask for will be acquired) techniques. It is optimized for low overhead time. https://financefeeds.com/bitcoin-to-15x-over-next-five-years-says-cathie-wood-btc-bull-token-presale-nears-7m/