Block height - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would basically be the one hundred and first transaction submitted https://bookmarktiger.com/story20459686/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-peatix-com-user-27717689