Block height - The block quantity and length in 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 actually be the 101st transaction submitted by this account) https://tinybookmarks.com/story20244455/5-essential-elements-for-blockchain-explorer-ethereum-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work