Block top - The block selection and size of the blockchain (in blocks) on development of the current block Nonce - The transaction amount with the from address (Keep in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://thegreatbookmark.com/story20255559/how-much-you-need-to-expect-you-ll-pay-for-a-good-blockchain-explorer-litecoin-https-canvas-instructure-com-eportfolios-4028322-entries-14252553