Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkjourney.com/story20621282/explorer-blockchain-base-an-overview-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers