BTC addresses use Base58 (like Base64 but devoid of identical character: IOl0+/) and must begin with both 1, three, bc1q or bc1p determined by which kind of address it can be. This commit does not belong to any department on this repository, and should belong to some fork outside of https://vanity-address32086.blog-mall.com/29396133/the-best-side-of-vanity-number-generator