Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://webookmarks.com/story6193410/the-definitive-guide-to-explorer-blockchain-ethereum-https-forum-repetier-com-profile-coverjaguar3