Block peak - The block range and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction number for your 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://webcastlist.com/story22006236/a-review-of-blockchain-explorer-usdt-https-pad-stuve-uni-ulm-de-qjwqtezvsfelat3ec1kc9q