Block height - The block selection and length on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://thesocialcircles.com/story5953883/top-guidelines-of-eth-blockchain-explorer-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg