Block height - The block amount and size on 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 really be the a hundred and first transaction submitted https://free-bookmarking.com/story20479241/what-does-eth-blockchain-explorer-mean-https-www-folkd-com-submit-cryptoexplorerhub-com