recovery seed

The new free wallet service from Casa is built on its premium security technology while offering private key management education and encrypted recovery phrase storage.
Emphasizing User Friendliness With Sovereignty, Casa Launches Free Wallet
The Billfodl Multishard is a two-of-three stainless steel recovery seed storage device that allows you to split your seed into three shards.
Video: Reviewing the Billfodl Multishard