"Why don't you?" - mainly because your system/software will not be compatible with worldwide systems like Ethereum or Bitcoin in which guaranteeing uniqueness of addresses on a global scale may be the A serious aim. This is actually the issue you have to be inquiring - (ethereum.stackexchange.com/questions/3542/�? If the project's https://eduardoecyur.mdkblog.com/36377730/not-known-details-about-ethereum-vanity-address