Block height - The block quantity and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmark-search.com/story20373669/top-guidelines-of-eth-blockchain-explorer-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua 
