any reason with graphine os to wipe vs power off? Unless you have an easy bfu password doesn't it protect you from multiple password attempts?

It uses hardware with a secure element only permitting 20 attempts. The past 5 unique attempts are rejected early out for usability.

We published a technical overview of how GrapheneOS protects against data extraction covering the major protections it adds:

https://discuss.grapheneos.org/d/40700-grapheneos-protection...