Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with 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://bookmarkja.com/story23404601/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-offersen-deleuran-3-technetbloggers-de-unlocking-clarity-method-of-blockchain-navigators-operate