Hello,
Thank you for reaching out to us.
If you are looking to restrict the EasyBlog blog posts access to users who have active subscriptions, then this is already possible with PayPlans.
In PayPlans, you can setup 'EasyBlog Category Access Restriction' app so that only users who has the active subscription can access to blog posts associated with the categories configured in this app.
Or, if you require a paywall option to be displayed on the EasyBlog single post page where user can see a portion of introtext, provided the blog post has a readmore tag added, (please see attached image), then you can setup the 'Content ACL' app and configure in this app which EasyBlog's categories should applied with the access restriction.
Below are some of the demo on how this content acl app work:
http://payplans.stackideas.com/features/easyblog-category-restriction
http://payplans.stackideas.com/features/easyblog-post-restriction
Hope this help and have a nice day