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-BlogApp is a [BSP application](BSP) that synchronises blog posts among groups of devices. Each blog is associated with a public/private key pair that is used to sign posts. The creator of a blog or any subscriber may invite their contacts to subscribe.
+BlogApp is a [BSP application](BSP) that synchronises blog posts among groups of devices. The creator of a blog or any subscriber may invite their contacts to subscribe. Only the creator can write posts.
 
 ### Channel identifiers