Owners who no longer possess the credentials needed to authorize transactions may be unable to complete an ordinary migration. What happens to those assets also depends on the rules adopted by the network. Potomac’s recovery-and-return program is intended to address this problem through technical research and a governance framework developed before operations begin.
This does not mean that all inactive balances have lost owners, or that those balances become the property of the first organization able to move them. A wallet may be in long-term storage, controlled through arrangements invisible on the chain, or subject to circumstances the company does not know.