Block top - The block selection and length from the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://mysocialquiz.com/story6056168/the-ultimate-guide-to-eth-blockchain-explorer-https-www-webwiki-nl-cryptoexplorerhub-com