Who created the algorithms?
Could they have been created to be purposely “hacked” by government agencies?
Anything created by man can be destroyed. (Magic or aliens mocking)
No, you’re thinking of encryption, not hashing. There’s a difference.
Hashing has no encryption key and can’t be reverse engineered by brute force. You’re up against mathematical laws.
You could try to brute force a 256-bit hash. If you constructed an application to attempt one combination per microsecond, it would take you approximately 10^63 years to get one collision.
Don't know about you, but I really don’t have that much spare time.