Block top - The block selection and size in the blockchain (in blocks) on development of the present block Nonce - The transaction variety for your from address (Remember this starts off at 0 so a nonce of 100 would actually be the a hundred and first transaction submitted by https://icelisting.com/story21729916/what-does-eth-blockchain-explorer-mean-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979