Block height - The block quantity and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://thebookmarkage.com/story20218472/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-www-folkd-com-submit-cryptoexplorerhub-com