Block height - The block number and length from the blockchain (in blocks) on creation 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 actually be the 101st transaction submitted by this account) https://zanybookmarks.com/story20935541/5-easy-facts-about-blockchain-explorer-api-described-https-md-entropia-de-aifurowaq7oqbm16-zzrcw