Block top - The block quantity 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 really be the a hundred and first transaction submitted https://nimmansocial.com/story10206193/explorer-blockchain-base-an-overview-https-www-blurb-com-user-optionname7