Block top - The block amount and length with the blockchain (in blocks) on generation of the current block Nonce - The transaction number with the from address (Remember this begins at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by this https://social-lyft.com/story10596658/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-files-fm-f-e6nkandt95