The up-front capital expenditure might be high, yes, but it might be possible to recoup that by charging fees for the service once it's working. The Chunnel had

The up-front capital expenditure might be high, yes, but it might be possible to recoup that by charging fees for the service once it's working. The Chunnel had a high capex too. In any case, I just wanted to show that working timelock encryption system is theoretically possible. Some people claimed it wasn't.