Is Yggdrasil still using raw truncated ed25519 keys to determine the treespace root node? [1] If so, this seems to be an obvious network availability vulnerability. [2]

[1]: https://yggdrasil-network.github.io/2021/06/19/preparing-for...

[2]: https://news.ycombinator.com/item?id=27577201#27580938