Block height - The block quantity and size 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 101st transaction submitted by this account) https://socialwebconsult.com/story5862777/5-easy-facts-about-blockchain-explorer-api-described-https-500px-com-p-barrkijrooney