Block height - The block selection and size in the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (Remember this commences at 0 so a nonce of one hundred would in fact be the 101st transaction submitted by this account) https://thebookmarkplaza.com/story20266335/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-clancy-olesen-4-mdwrite-net-opening-the-record-your-resource-to-blockchain-investigation