Flip a coin.
Settle it properly.

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The future of coins

Here at Cointoss, we recognise that tossing coins—specifically monetary coins—could be a dying art. It's fun, it's an easy way to remedy a dispute or settle a score, and it's completely random. It puts something up to chance. That was a way to imply randomness and fairness before we ever had computers guessing or telling us what's random, or how something must be distributed.

The reality is that as we progress into a digital economy, even paper money may one day disappear in lieu of digital currencies. We'll keep the art alive, offering the simple ability to toss a coin in the virtual ether and get results.

Physical coins are becoming less common in everyday life. Contactless payments, digital wallets, and central bank digital currencies (CBDCs) are reshaping how we think about money. But the coin toss remains a cultural touchstone — a ritual that transcends the metal itself. Whether you are a football captain, a cricket team leader, or someone trying to decide between tea and coffee, the flip endures because it is universally understood and accepted as fair.

Is the online coin toss fair?

Yes. Each result is created in your browser using crypto.getRandomValues(), which provides stronger randomness than the usual Math.random(). The animation follows the result; it does not choose it. Read our deep dive on cryptographic randomness.

The crypto API obtains cryptographically strong random values from the browser and operating system. The site maps even values to heads and odd values to tails, so the implemented mapping assigns the same number of possible byte values to each side.

Physical tosses can show a small same-side tendency when the starting face is known. A large human-flip experiment reported about 50.8% same-side outcomes. The digital result does not depend on a coin's starting orientation or throwing technique.