> For the complete documentation index, see [llms.txt](https://community.peerplays.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://community.peerplays.com/risk-register/introduction/core-block-issue.md).

# Core-Block Issue

The list of risk discussed in this document are,

1. Too expensive servers for witnesses/SONS
2. Witness node not reachable
3. Witnesses get DDOS'd
4. Bad actor infiltrate witness/SONs
