Block top - The block selection and length 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 one hundred would essentially be the a hundred and first transaction https://allyourbookmarks.com/story20318784/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-webwiki-nl-cryptoexplorerhub-com