&gt;For truly essential data at least one of those copies is both offline and offsite.<p>But the fact remains that where ever you choose to put it &quot;offline and offsite&quot; the odds of it being lost are orders of magnitude greater then its persistent and redundant storage on a reputable cloud provider. Even if you put it on the most stable storage you can find and lock it in a underground safe. You can&#x27;t guarantee its integrity a handful of years from now let alone centuries.<p>To put it in other words you are advocating storing your money in a mattress because you don&#x27;t &quot;trust the banks&quot;