While wealth doesn't cause infallibility, these entities have the most to lose from making a mistake. They should be highly motivated to put substantial thought and research into the security of their bitcoin.
Although it's challenging to definitively identify the wealthiest entities in terms of bitcoin, and precisely how much bitcoin they own, it's trivial to identify the wealthiest bitcoin addresses. There are a few websites that track these addresses in real time.
Collection
[
|
...
]