Block top - The block quantity and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this begins at 0 so a nonce of one hundred would really be the a hundred and first transaction https://bookmarkchamp.com/story20481419/what-does-eth-blockchain-explorer-mean-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg