Block height - The block number and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts off at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract https://socialistener.com/story6186174/a-review-of-blockchain-explorer-usdt-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world