Would it not be possible to buy a harddrive with the blockchain already on it?
Downloading 700GB P2P, I guess that would take weeks or even months.
Every package sent around the globe usually is faster.
In 4 years, a 700 GB USB stick will be a normal thing.
1TB usb is currently around $600. Plus, loading fees, plus delivery, plus taxes, lets say its around
$400 $300 delivered to your door in 4 years. Would you buy one?
Don't forget that monthly bandwidth cost.