Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://dmozbookmark.com/story20722924/what-does-blockchain-explorer-usdt-mean-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg