They just barely open sourced after being around for years. Embarrassing for "Bitcoin" project. Paul's tweet probably played some part in this 😂
Discussion
the architecture sound almost the same like polygon. mpc chain with fixed signer and chain funds can be moved if n-of-x signer signs.
all you need is to fly all of them in one plane, send to an island, get the keys , kill them off and you now own the whole l2