Hey there!
Purpose of question is talking wife, and siblings into getting more invested into crypto/bitcoin, and want to understand:
If I convert 15k emergency savings into USDC, how secure is that? I know it isn’t FDIC insured, but is there ever a real scenario where it tanks in value as compared to USD?
Thanks in advance for your brains on this!
There’s always a risk.
Even stable coins can become depegged. In which case yes you could potentially lose money.
The best way to protect against this as with all investments is to diversify. Don’t go all in on just 1 coin and definitely don’t go 100% all in on just crypto.
Find a blend that makes sense for what you are trying to achieve while maintaining a balance of risk/reward you are comfortable with.
Just an opinion from a stranger on the internet, take that for what it’s worth 
Haha thank you kind internet stranger!
Yeah I see my capacity to tunnel vision in on a single thing.
Much appreciated advice
Stablecoins are great. If you want to diversify, maybe split your funds between USDC USDT and DAi. There are a bunch of stablecoins out there.