[ur-whale]

> Send the spacecraft to land on the surface a distant body in the solar system, such as one of the moons of Neptune.

The economics of your proposal strike me as a tad weak at the knee.

[troymc]

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.