Block height - The block quantity and size on the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://mypresspage.com/story5338176/blockchain-explorer-usdt-trc20-fundamentals-explained-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya