Block top - The block selection and length of the blockchain (in blocks) on creation of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://expressbookmark.com/story20502928/the-blockchain-explorer-address-diaries-https-independent-academia-edu-drewandreassen4