Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract generation https://companyspage.com/story5702630/5-tips-about-blockchain-explorer-you-can-use-today-https-intensedebate-com-people-hawkwhorl3