Block top - The block number and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction number with the from address (Remember this commences at 0 so a nonce of 100 would actually be the one hundred and first transaction submitted by this https://dmozbookmark.com/story20551509/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-peatix-com-user-27717689