Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://letsbookmarkit.com/story20776889/5-essential-elements-for-blockchain-explorer-ethereum-https-pad-geolab-space-1eemv59krmalavl2pdd7cg