> fully settling on the blockchain is slow and costly.
That depends on which blockchain you're fully settling on. There's more than one, Ethereum != "the blockchain".
That depends on which blockchain you're fully settling on. There's more than one, Ethereum != "the blockchain".
Have I missed some Turing Award discoveries while I was away?
Yes. ZK Rollups - https://polynya.medium.com/conjecture-how-far-can-rollups-da...
If you don't understand this post he has many more explaining the technologies behind it.
That's not necessarily a problem. Slow is ok if it's highly secure, reliable, and inexpensive relative to the amounts being moved or compared to other alternatives.