Block height - The block quantity and size of your blockchain (in blocks) on generation of the current block Nonce - The transaction variety for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkplaces.com/story20600442/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg