Block top - The block selection and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Remember this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction submitted by https://bookmarksparkle.com/story20723051/what-does-eth-blockchain-explorer-mean-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979