Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the a hundred and first transaction https://binksites.com/story10350262/what-does-blockchain-explorer-usdt-mean-https-lamptie2-bravejournal-net-beyond-these-blocks-discovering-the-realm-of-distributed-ledger-explorers 
