Block height - The block selection and size of the blockchain (in blocks) on generation of the present block Nonce - The transaction selection to the from address (bear in mind this starts off at 0 so a nonce of 100 would in fact be the 101st transaction submitted by https://45listing.com/story22514211/the-blockchain-explorer-usdt-trc20-diaries-https-diigo-com-010nvri