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 begins at 0 so a nonce of one hundred would in fact be the a hundred and first https://bookmarkspiral.com/story20702365/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-files-fm-f-e6nkandt95