Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://thebookmarklist.com/story20212238/what-does-blockchain-explorer-usdt-mean-https-md-kif-rocks-qxb6ylbntwcjnvrpqnzeqw