Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this commences at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://royalbookmarking.com/story20675184/a-review-of-blockchain-explorer-usdt-https-files-fm-f-e6nkandt95