Self-custody often starts with a hardware wallet, but the device is only one part of the recovery plan. If that wallet is lost, damaged, or no longer works, the recovery phrase may be the only route back to the assets. That makes the backup its own security problem. Paper can burn, fade, get wet or be thrown away. Screenshots and cloud notes may survive a house fire, but they create digital exposure. A recovery backup has to solve two problems BIP39, the standard behind many cryptocurrency recovery phrases, uses an ordered sequence of words selected from a defined list of 2,048 words. Losing the wallet device does not necessarily mean losing the wallet permanently if that recovery information remains intact.…








