Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Agreement development https://thesocialintro.com/story5819788/a-review-of-blockchain-explorer-usdt-https-md-entropia-de-aifurowaq7oqbm16-zzrcw