Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Not https://bookmarkalexa.com/story5839525/not-known-facts-about-blockchain-explorer-usdt-https-www-multichain-com-qa-user-knotdrop3