Block height - The block selection and duration of your blockchain (in blocks) on generation of the current block Nonce - The transaction number for that from address (bear in mind this starts off at 0 so a nonce of 100 would basically be the a hundred and first transaction https://bookmarkfavors.com/story6182484/the-best-side-of-explorer-blockchain-usdt-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya