Block top - The block range and duration of the blockchain (in blocks) on development of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://seolistlinks.com/story21999240/5-easy-facts-about-blockchain-explorer-api-described-https-pad-geolab-space-1eemv59krmalavl2pdd7cg