Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://nybookmark.com/story22428106/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work