Honest question about Liquid… what’s the scaling strategy? The Blockstream website states 7-10 tps i.e. the same order of magnitude as the main chain. Or is it designed to increase tps over time? 
Discussion
Think privacy, not transaction rate.
It took me a while to understand.
Privacy is only for transaction amounts though right?
Yes.
The answer to your next question is:
No, the coins you peg out are not the same ones you peg in, they are randomly chosen from a pool.
That answer is direct from nostr:npub1qg8j6gdwpxlntlxlkew7eu283wzx7hmj32esch42hntdpqdgrslqv024kw
they can just increase the blocksize