Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with 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://tvsocialnews.com/story5853991/blockchain-explorer-usdt-trc20-fundamentals-explained-http-bioimagingcore-be-q2a-user-storegarlic8