An asset in a blog is anything that contributes to the success of the blog. This could be anything from a great design to great content.
A well-designed and well-written blog is an asset, as is quality content. All of these things contribute to making the blog successful.
A conclusion about assets in a blog:
Assets make a great blog successful. By having a well-designed and well-written blog, as well as quality content, you are building an asset that will help you achieve your goals.