Block height - The block variety and duration from the blockchain (in blocks) on generation of the present block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of 100 would in fact be the 101st transaction submitted by this account) https://bookmarknap.com/story11026495/explorer-blockchain-base-an-overview-https-www-webwiki-ch-cryptoexplorerhub-com