For something really important, I binding contract might not be enough. IIRC there was a U.S. bankruptcy ruling where supposedly never-sharable info was sold o

For something really important, I binding contract might not be enough. IIRC there was a U.S. bankruptcy ruling where supposedly never-sharable info was sold off. Maybe having the relevant technical data (keys, source code, etc.) held in escrow by a trustworthy party would work?