Block peak - The block variety and size with 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://bookmarkgenius.com/story20586307/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-peatix-com-user-27717689