As much as I call cryptocurrencies a cancer, I admit storing on Bitcoin blockchain is probably the most resilient way, as its constantly being replicated across a huge amount of machines around the planet...
Then I prefer the unexpected and incorrect behaviour of Windows, which freezes the offending application and continues to be responsive, allowing me to kill it if I wish to do so...
https://en.wikipedia.org/wiki/Bathtub_curve
As much as I call cryptocurrencies a cancer, I admit storing on Bitcoin blockchain is probably the most resilient way, as its constantly being replicated across a huge amount of machines around the planet...