Payment systems like Central Bank Digital Currencies, FedNow, India's UPI, or ISO20022 won't be able to compete with the broad and deep benefits offered by public blockchains.

For example, using Ethereum L2s or other public chains, anybody in the world with a phone will be able to access American T-Bills and equities, lending products, and much more.

Public chains are a better foundation for a global free market economy, and that includes but is not limited to payments.