Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) https://brightbookmarks.com/story20422561/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-case-edu-cgi-bin-newsline-pl-url-https-cryptoexplorerhub-com