Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://webookmarks.com/story5821282/what-does-blockchain-explorer-usdt-mean-https-canvas-instructure-com-eportfolios-4028322-entries-14252553