Block top - The block selection and size in the blockchain (in blocks) on creation of the present block Nonce - The transaction variety for your from address (Remember this starts at 0 so a nonce of a hundred would in fact be the 101st transaction submitted by this account) https://bookmarkforce.com/story20631272/not-known-factual-statements-about-blockchain-explorer-tool-https-forum-issabel-org-u-optionray7