Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for 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://totalbookmarking.com/story20409765/what-does-blockchain-explorer-usdt-mean-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain