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 a hundred would actually be the a hundred and first transaction https://bookmarkingalpha.com/story20841405/not-known-details-about-blockchain-explorer-usdt-trc20-https-intensedebate-com-people-hawkwhorl3