Block top - The block selection and duration in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkalexa.com/story6121969/explorer-blockchain-tron-an-overview-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com