Block height - The block amount and size on 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 truly be the a hundred and first transaction submitted https://bookmarkeasier.com/story20520912/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers