Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with 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://pr7bookmark.com/story20547953/what-does-eth-blockchain-explorer-mean-https-www-multichain-com-qa-user-knotdrop3