Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Not https://socialbuzzfeed.com/story5722186/what-does-eth-blockchain-explorer-mean-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg