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 (Keep in mind this starts at 0 so a nonce of one hundred would really be the one hundred and first transaction https://dmozbookmark.com/story20238497/everything-about-blockchain-explorer-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba