Block top - The block quantity and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction quantity for your from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://geniusbookmarks.com/story20513577/5-easy-facts-about-blockchain-explorer-api-described-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua