Block height - The block amount and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction quantity with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://infopagex.com/story6222169/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua