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 (bear in mind this starts at 0 so a nonce of one hundred would in fact be the one hundred and first https://prbookmarkingwebsites.com/story25990236/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-webwiki-it-cryptoexplorerhub-com