Block top - The block selection and length of your blockchain (in blocks) on generation 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 a hundred and first transaction submitted https://wildbookmarks.com/story20668648/what-does-eth-blockchain-explorer-mean-https-www-haphong-edu-vn-profile-crafttlcmcgarry6132-profile