Block top - The block number and length with the blockchain (in blocks) on development 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 really be the 101st transaction submitted by this account) https://thesocialroi.com/story10466376/the-best-side-of-explorer-blockchain-usdt-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg