Block height - The block quantity and size on 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 truly be the a hundred and first transaction submitted https://tinybookmarks.com/story20553842/5-tips-about-blockchain-explorer-you-can-use-today-https-www-instapaper-com-p-16864836