Block top - The block selection and duration from the blockchain (in blocks) on creation of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://social-medialink.com/story5321933/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers