Bob sends back again the generated PrivkeyPart to Alice. The partial private vital won't permit everyone to guess the final Alice's private vital. 0x111111285bf095c0fa68bc170f9c23a43af9ead0 2826c6596897074a3545fce2904e961a69291efce09585c81417587603a6ca55 Vanitygen is actually a command-line vanity bitcoin address generator. It initially appeared in a Bitcointalk forum thread in 2011, ... https://directoryrec.com/listings246443/5-simple-statements-about-ethereum-random-address-explained