Block top - The block selection and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkgenius.com/story20668887/5-tips-about-blockchain-explorer-you-can-use-today-https-www-giveawayoftheday-com-forums-profile-1172807