Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that 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://bookmarkcolumn.com/story20324445/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-clancy-olesen-4-mdwrite-net-opening-the-record-your-resource-to-blockchain-investigation