Block height - The block amount and length of your blockchain (in blocks) on development of the current block Nonce - The transaction number for that from address (bear in mind this commences at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://livebackpage.com/story6185710/5-easy-facts-about-blockchain-explorer-api-described-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba