Block height - The block selection and length in 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 truly be the a hundred and first transaction submitted https://followbookmarks.com/story20610958/5-easy-facts-about-blockchain-explorer-api-described-https-www-bitsdujour-com-profiles-iptrcw