In a SwiftUI List showing live prices, every price update makes rows flicker and reappear and the scroll position jumps. How should you define the model's Identifiable id?
Make the id a domain key that doesn't change when the price does, like a ticker symbol or market code (for example BTC-KRW), and keep the price, update time, and a UUID() created on every decode out of it, so List sees a value change on the same row and updates it in place.
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