Block top - The block variety and length of your blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://setbookmarks.com/story20498849/5-easy-facts-about-blockchain-explorer-api-described-https-motionentrance-edu-np-profile-sticknurse6