An anonymous blog is one in which the blogger remains anonymous. This can be a good thing or a bad thing, depending on the blogger’s intentions.
Good things about an anonymous blog are that it can be controversial and give the writer freedom to speak their mind without fear of retribution. Anonymity can also protect the blogger from being bullied or harassed.
Bad things about an anonymous blog are that it can be difficult to know who is writing the blog and it can be difficult to find out where the blog is hosted. If the blogger wants their identity known, they will have to reveal it.
Overall, an anonymous blog is a powerful tool if used correctly. It can be used for good or for bad, but it is a powerful tool nonetheless.