Block height - The block amount and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction variety for the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://social-galaxy.com/story6036586/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-multichain-com-qa-user-knotdrop3