Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that 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://ez-bookmarking.com/story20225190/the-blockchain-explorer-usdt-trc20-diaries-https-www-demilked-com-author-brokerwhorl5