Sigh. A reserve asset doesn't need every transaction for coffee and candy bars to reside in its ledger. It's a foundation that other layers can build upon. The

Sigh. A reserve asset doesn't need every transaction for coffee and candy bars to reside in its ledger. It's a foundation that other layers can build upon. The layers can be tailored to different use cases, each with different tradeoffs of security, speed and decentralization.