Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the 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://bookmarkcitizen.com/story20663280/what-does-blockchain-explorer-usdt-mean-https-www-starsandstripesfc-com-users-churchkjeldse