Block top - The block selection and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmarkhard.com/story20442112/5-easy-facts-about-blockchain-explorer-api-described-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain