Block height - The block number 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 actually be the 101st transaction submitted by this account) https://singnalsocial.com/story5430254/the-definitive-guide-to-explorer-blockchain-ethereum-https-www-pdc-edu-url-https-cryptoexplorerhub-com