Bip39 Bitcoin Improvement Proposal 39 Some people again up their wallet seed phrases or non-public keys on paper, community gadgets like components wallets or USBs, or from the cloud. These selections have intense drawbacks that range between hacking to accidental reduction to disrupted cloud providers. Lots of people back up https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw