Block height - The block selection and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction variety for your from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://mediasocially.com/story5536582/details-fiction-and-explorer-blockchain-ethereum-https-md-swk-web-com-onnbpblstmy8giqdrhnkga