Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://dmozbookmark.com/story20617123/a-review-of-blockchain-explorer-usdt-https-mlx-su-paste-view-d02eef60