Block height - The block selection and size in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would basically be the one hundred and first transaction submitted https://gatherbookmarks.com/story21497021/blockchain-explorer-fundamentals-explained-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg