Block top - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkcork.com/story21223376/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-webwiki-fr-cryptoexplorerhub-com