Block height - The block quantity and size on the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://socialbuzzfeed.com/story5773209/what-does-blockchain-explorer-usdt-mean-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg