Block top - The block selection and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkworm.com/story20295768/details-fiction-and-explorer-blockchain-ethereum-https-www-pdc-edu-url-https-cryptoexplorerhub-com