Block top - The block number and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://meshbookmarks.com/story20418775/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-www-multichain-com-qa-user-knotdrop3