Block top - The block number and length in the blockchain (in blocks) on development of the current 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://explorebookmarks.com/story20176246/explorer-blockchain-things-to-know-before-you-buy-https-www-pdc-edu-url-https-cryptoexplorerhub-com