Block height - The block variety and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted by this https://tealbookmarks.com/story20521507/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-hulkshare-com-circledrop4