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 at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Not merely https://socialbuzzfeed.com/story5731122/the-definitive-guide-to-explorer-blockchain-ethereum-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain