> Put another way, blockchain is a database—one that is never backed up, grows forever, and takes minutes or hours to update a record. Sounds amazing! Did he g

> Put another way, blockchain is a database—one that is never backed up, grows forever, and takes minutes or hours to update a record. Sounds amazing! Did he get this wrong? Don't blockchain ledgers always get backed up? Isn't the difference being that instead of just backing up to one place and at one specific time like most database setups, blockchain data is backed up with everyone all the time with every transaction? - which is why it can take hours to just updated one record