It's just not possible to predict what's gonna happen in 7-10 years, especially when the tech itself isn't even finalized
Yes, not predictable. It could even happen tomorrow.
'Whoever achieves it first - and it could be within as little as three years according to Cheng - don't expect to learn about it in the news.'
Quantum computers will surprise the Bitcoin community. The 'shalecoins' will be moved and will become active.