Spark is a scam. It's custodial (a statechain) but they promote themselves as noncustodial (Lightning).

If they are successful, bitcoin will be successful but also become just another fiat currency, managed by central banks.

Spark is a walled garden, not only custodial but they could easily cut access to lightning and onchain without their users realizing, as long as most people are using spark.

#1529964