Block top - The block number 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 starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://checkbookmarks.com/story6164129/the-definitive-guide-to-explorer-blockchain-ethereum-https-pinshape-com-auth-users-auth-google