The actual coin is in the blockchain. It's lost only if they wrote the private key on the physical coin sent to space (I didn't check if they did that) and dele

The actual coin is in the blockchain. It's lost only if they wrote the private key on the physical coin sent to space (I didn't check if they did that) and deleted the key from every backup on Earth. It's going to take a lot of Bitcoin hype before it beats the cost of a recovery mission from that orbit.