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 100 would in fact be the one hundred and first transaction https://social-lyft.com/story10359517/everything-about-blockchain-explorer-https-www-folkd-com-submit-cryptoexplorerhub-com