Block top - The block number and length on the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the one hundred and first transaction https://geilebookmarks.com/story20128086/explorer-blockchain-base-an-overview-https-www-webwiki-de-cryptoexplorerhub-com