Block top - The block variety and size with the blockchain (in blocks) on development of the present block Nonce - The transaction amount for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://bookmarkdistrict.com/story20145983/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-webwiki-fr-cryptoexplorerhub-com