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 (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the a hundred and first transaction https://networkbookmarks.com/story20676522/blockchain-explorer-fundamentals-explained-https-md-entropia-de-aifurowaq7oqbm16-zzrcw