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://socialbuzzfeed.com/story6093658/the-definitive-guide-to-explorer-blockchain-ethereum-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers