Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://icelisting.com/story21658138/the-blockchain-explorer-address-diaries-https-www-divephotoguide-com-user-puffinstone3