Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://iowa-bookmarks.com/story16036120/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-dermandar-com-user-quietquiet9