Securing Your Cryptocurrency
"$34 billion in bitcoins may have been lost because the information needed to trade or sell the currencies was misplaced or destroyed. This could have been prevented if the owners had securely backed up their keys. No matter how you manage your cryptocurrency,…" - Roderick Bauer
You also can go to this link and check it out: https://www.backblaze.com/blog/backing-up-your-cryptocurrency/