Block height - The block amount and size on the blockchain (in blocks) on generation 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://funny-lists.com/story21529443/5-simple-techniques-for-explorer-blockchain-base-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html