Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Don't https://top100bookmark.com/story20775915/5-easy-facts-about-blockchain-explorer-api-described-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions