Block peak - The block variety and size with the blockchain (in blocks) on generation 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 really be the 101st transaction submitted by this account) https://single-bookmark.com/story20604404/what-does-blockchain-explorer-usdt-mean-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g