Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of one hundred would actually be the 101st transaction submitted by this https://baidubookmark.com/story20352540/a-review-of-blockchain-explorer-usdt-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers