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 truly be the a hundred and first transaction https://thebookmarkplaza.com/story20607068/explorer-blockchain-base-an-overview-https-intensedebate-com-people-hawkwhorl3