Block height - The block quantity and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://cyberbookmarking.com/story20192575/the-definitive-guide-to-explorer-blockchain-ethereum-https-hedgedoc-k8s-eonerc-rwth-aachen-de-0szjqhm8rceyuj2fq5ha9g