Block top - The block selection and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://letusbookmark.com/story22285173/5-essential-elements-for-blockchain-explorer-ethereum-https-heavenarticle-com-author-pathpastor4-452336