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Flippening

In simple terms

The Flippening is the moment when Ethereum becomes more valuable overall than Bitcoin. It's like if the second-biggest company in the world suddenly became worth more than the biggest one.

Definition

The hypothetical event where Ethereum's market cap surpasses Bitcoin's.

In depth

The Flippening refers to the theoretical event where Ethereum's total market capitalization (circulating supply multiplied by current price) exceeds Bitcoin's. This would represent a significant shift in the cryptocurrency market's valuation hierarchy, as Bitcoin has historically maintained the largest market cap since its inception. The event's timing depends on relative price movements and token supply dynamics of both networks, including factors like staking rewards, transaction fees, and network adoption rates that influence validator incentives and supply inflation.

How does Flippening work?

Market capitalization is circulating supply multiplied by price per coin, so a flippening depends on two moving parts, not one. Trackers compute each network's market cap continuously and publish the ratio between them. When that ratio crosses 1.0, the smaller network has flipped the larger. Because supply changes too — through new issuance, staking rewards, or coins burned by fee mechanisms — the gap can widen or narrow even when prices are flat. The word describes a measurement crossing a threshold, not an event anyone schedules or can forecast.

An example

Suppose Network A has 20 million coins at an illustrative $100 each, a market cap of $2 billion. Network B has 120 million coins at $10, or $1.2 billion — a ratio of 0.60. If B's supply later reaches 150 million coins and its price is unchanged, B's cap is $1.5 billion and the ratio rises to 0.75, closer without either price moving. Figures are illustrative only.

Figures are illustrative only.

What beginners get wrong

  • Comparing price per coin instead of market cap is the most common error; a $10 coin can be worth more in total than a $1,000 one.
  • The term is often stated as though it were scheduled or inevitable, when it describes a threshold that may never be crossed.
  • Supply changes get ignored: burns and new issuance move the ratio just as prices do, in either direction.
  • Commentators apply the word to many metrics — fees, active addresses, transaction counts — so check which measurement someone actually means.

Related terms

Part of

What are crypto market cycles and market sentiment? — the subject page for market cycles and sentiment, with all 18 of its definitions in one place.

Educational only — not financial advice.