1) Certifications (FIPS...)
2) Speed.
SHA-256 is fast enough for maybe 99,9% of use cases as you will saturate your I/O way before SHA-256 becomes your bottleneck[0][1]. Also, from my experience with the different available implementations, SHA-256 is up to 1.8 times faster than Blake3 on arm64.
[0] https://github.com/skerkour/go-benchmarks/blob/main/results/...
It's a Buddhist concept that says that to achieve tranquility (end of suffering) you need to have what you value, what you think and what you are actually doing aligned and going in the same direction.
When you're feeling lost, ask yourself these 3 questions:
- What do you really want?
- What do you really value?
- What are you really doing with your life?
I've wrote a longer post that you can read here: https://kerkour.com/alignment