Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://gogogobookmarks.com/story20244752/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-forum-repetier-com-profile-coverjaguar3