Block height - The block amount and size with the blockchain (in blocks) on generation 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://bookmarkfame.com/story20116643/what-does-eth-blockchain-explorer-mean-https-www-giveawayoftheday-com-forums-profile-1172807