Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://bookmarkunit.com/story20398139/what-does-eth-blockchain-explorer-mean-https-www-webwiki-nl-cryptoexplorerhub-com