Your talking about promises not "solutions" that can be used today. Proof of stake has been coming in 1 year for 4 years now. L2 Solutions simply don't work.

Your talking about promises not "solutions" that can be used today. Proof of stake has been coming in 1 year for 4 years now. L2 Solutions simply don't work. Exchanges, that would benefit alot from L2 solutions have not implemented any because they know they suck from a security standpoint & other tradeoffs