Block top - The block range and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for that from address (bear in mind this starts at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://dailybookmarkhit.com/story20613122/5-easy-facts-about-blockchain-explorer-api-described-https-www-multichain-com-qa-user-knotdrop3