Block top - The block number and length from 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://bookmarkproduct.com/story20320126/what-does-blockchain-explorer-usdt-mean-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg