Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkedblog.com/story21344434/facts-about-tron-blockchain-explorer-revealed-https-myspace-com-deletescreen7