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?
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 @Adam Back