The Current State of Bitcoin Sidechains (By Network Usage)
To be as fair as possible. (Since each chain has different block times) I went from Bitcoin block 820725 (7:56 PST) to block 820738 (10:08 PST) and pulled all the equivalent TXs for each chain.
Transactions (over 2 hour period)
Bitcoin: 49,533
Liquid: 1124
Rootstock: 989
Stacks: 779
Time to update the mental model.