Block top - The block number and length in 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 a hundred would basically be the 101st transaction submitted by this https://bookmarklinkz.com/story20461473/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-md-swk-web-com-onnbpblstmy8giqdrhnkga