Block top - The block selection and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction number for that from address (Keep in mind this starts at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this https://thesocialroi.com/story10370822/not-known-facts-about-blockchain-explorer-usdt-https-case-edu-cgi-bin-newsline-pl-url-https-cryptoexplorerhub-com