Block top - The block quantity and length on the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://bookmarkbirth.com/story20659917/details-fiction-and-explorer-blockchain-ethereum-https-forum-repetier-com-profile-coverjaguar3