Can L2 be trustless?

Ecash seems so close to being entirely trustless but it's just not.

Can the mint be a dumb network that can hold coins but can't spend them?

Transaction fees on Bitcoin is a supply and demand based system, which directly affects the energy put into Bitcoin mining. At 21,000,000 if there is not much demand for transactions, mining will become less profitable.

Will mining ever become less profitable than attacking the network?

hello world

The entire internet is literally computers passing notes to each other.

Will data from shutting down nostr relays be copied by newer relays first?

What's stopping someone from guessing my private key to login?