Tether USDt

Ethereum

TRON

Stablecoins won this cycle. With over <a href="https://coinmarketcap.com/view/stablecoin/" rel="noopener noreferrer nofollow">$310 billion in circulation</a> and transfer volumes rivaling “legacy” card networks, digital dollars are crypto's one undisputed product-market fit.Now the companies behind them want dedicated blockchains to match: Stripe built one, Circle is building one, and Tether has backed two. They're called stablechains, and more than $1 billion has been raised to launch them.So far, however, the dollars haven't followed.<h2 id="what-is-a-stablechain">What Is a Stablechain?</h2>A stablechain is a layer-1 built for one primary job: moving stablecoins. On a general-purpose chain like Ethereum (<a href="https://coinmarketcap.com/currencies/ethereum/" rel="noopener noreferrer nofollow">ETH</a>) or BNB Chain (<a href="https://coinmarketcap.com/currencies/bnb/" rel="noopener noreferrer nofollow">BNB</a>), sending 10 digital dollars means first buying a volatile token just to pay gas.Stablechains scrap that design and instead use stablecoins as the native asset. Fees are paid in dollars, and the rest of the design (throughput, sub-second finality, compliance hooks, batch payments) is tuned for settlement rather than open-ended experimentation.Stripe CEO Patrick Collison made the case for stablechains when introducing Tempo: fees on existing chains are denominated in volatile tokens that are meaningless to ordinary users, batch transfers matter far more for payments than trading, and throughput falls short of payment-system needs.<img src="https://academy-public.coinmarketcap.com/optimized-uploads/b4c44babb4e441c2a301a24fcb9c4bcf.png">Circle's Jeremy Allaire pitched Arc as something even bigger, calling it an "Economic OS for the internet."<h2 id="the-rise-of-tron-and-the-failed-ancestor">The Rise of Tron (and the Failed Ancestor)</h2>The most successful stablechain never set out to be one. Tron launched in 2018 as a general-purpose entertainment chain and evolved into the world's primary USDT settlement rail.It now hosts $91.5 billion in stablecoins, nearly half of all USDT, and overtook Ethereum in USDT supply early this year, though it still lags Ethereum in overall stablecoin supply.<img src="https://academy-public.coinmarketcap.com/optimized-uploads/69118c8c105b475893abfc9c6085ab21.png">Chart: The Block, Source: DefiLlamaThe reason behind the dramatic expansion of stablecoins on Tron comes down to money. USDT users pay an estimated $2.9 billion a year in fees to blockchains Tether doesn't control, with revenue flowing mostly to Tron and Ethereum rather than to Tether in the form of <a href="https://coinmarketcap.com/academy/glossary/transaction-fee" rel="noopener noreferrer nofollow">transaction fees</a>.Tether's answer was to back two competing chains at once, Plasma and Stable, a strategy one analyst described as Tether funding both sides of its own chain war.&gt;&gt; Click here to learn more about <a href="https://coinmarketcap.com/cmc-ai/plasma-xpl/what-is/" rel="noopener noreferrer nofollow">Plasma</a> and <a href="https://coinmarketcap.com/cmc-ai/stable/what-is/" rel="noopener noreferrer nofollow">Stable</a>.The category also has a cautionary ancestor. Terra was arguably the first purpose-built stablecoin chain, and it collapsed in May 2022—erasing roughly $40 billion from the market—because its stablecoin UST was algorithmic and unsound.Terra’s collapse cut the crypto industry, but also catalyzed the development of sound stablecoin infrastructure and peg-keeping mechanisms.<h2 id="who-s-who-in-stablechains">Who’s Who in Stablechains</h2>Currently, four new players are mopping up most of the attention and funding in the stablechain landscape.Plasma is aligned with Tether and retail-oriented, with zero-fee USDT transfers, EVM compatibility, a <a href="https://coinmarketcap.com/academy/article/xpl-whale-nets-dollar11m-from-plasma-public-sale" rel="noopener noreferrer nofollow">~$373 million token sale</a> that was seven times oversubscribed, and a neobank app (Plasma One) with a Visa card in 150+ countries.Tempo, incubated by Stripe and Paradigm, raised $500 million at a $5 billion valuation, and launched mainnet in March with Deutsche Bank, OpenAI, and Shopify as design partners and <a href="https://coinmarketcap.com/academy/article/visa-joins-tempo-as-anchor-validator-on-stablecoin-network" rel="noopener noreferrer nofollow">Visa running an anchor validator node</a>. It’s currently tokenless.Stable, backed by Bitfinex and Hack VC with a $28 million seed, uses USDT itself as gas and targets institutions via Anchorage and PayPal Ventures.Arc, Circle's USDC-powered chain, <a href="https://coinmarketcap.com/academy/article/circle-pushes-blockchain-live-as-institutions-eye-usdc" rel="noopener noreferrer nofollow">remains in testnet</a> with a Wall Street partner directory (Visa, BlackRock, HSBC) and a <a href="https://coinmarketcap.com/academy/article/%20circle-raises-222m-arc-blockchain-valuation" rel="noopener noreferrer nofollow">$222 million token presale at a $3 billion valuation</a>.<img src="https://academy-public.coinmarketcap.com/optimized-uploads/fa47f3f2fe344b198d6eb6dbeb180be9.png">*DefiLlama, Aug. 8, 2026<h2 id="the-reality-check">The Reality Check</h2>Together, the new stablechains hold just under 0.3% of the $310 billion stablecoin market, while Ethereum and Tron still control 78%.<img src="https://academy-public.coinmarketcap.com/optimized-uploads/40f4268234e24a84a286b2563741045c.png">Source: <a href="https://coinmarketcap.com/view/stablecoin/" rel="noopener noreferrer nofollow">Stablecoins Screener Page</a>The launch curves have been brutal. Plasma attracted $6.35 billion in stablecoins within two weeks of launch, then bled roughly 85% as incentives expired.Stable fared worse: despite $2 billion in pre-deposit commitments, its on-chain supply peaked at just $706 million eight days after launch, then collapsed 96% to $27 million. Despite this, its stablecoin TVL has been ticking up since May 2026.Skeptics on Crypto Twitter call them "enterprise ghost chains," arguing that everything they offer is achievable on an <a href="https://coinmarketcap.com/view/layer-2/" rel="noopener noreferrer nofollow">L2</a>.The bulls' counterargument is that parked supply is the wrong metric for a payment rail: velocity matters more than balances.Tempo, one of the smallest chains by stablecoin deposits, is the only one growing, and Stripe’s CEO pointed to billions in run-rate payment volume. <a href="https://coinmarketcap.com/academy/article/doordash-brings-stablecoin-payouts-to-stripe-built-tempo-network" rel="noopener noreferrer nofollow">DoorDash now routes merchant payouts through the chain</a>, Meta uses it for creator payouts, and Deel uses it for contractor payments.A chain processing salaries doesn't need dollars sitting idle on it.<h2 id="how-to-try-them">How To Try Them</h2>The four most popular stablechains are <a href="https://coinmarketcap.com/academy/glossary/ethereum-virtual-machine-evm" rel="noopener noreferrer nofollow">EVM-compatible</a>, so one wallet covers everything. Rabby or MetaMask both work, as well as practically any other wallet that allows you to add custom chains.Plasma is the easiest test drive since you can bridge in USDT and send it for free, no gas token required, or download Plasma One for the full neobank experience. Stable works similarly with USDT0 as gas, but with fewer incentives available.Tempo takes one extra step: add the network via Chainlist, then bridge USDC or pathUSD in via Relay. Because Tempo currently has no token, airdrop hunters are farming a potential airdrop with daily check-ins and .tempo domain registrations, among other activities.Arc is testnet-only, but Circle runs builder programs encouraging users to develop on the chain and is launching a builders fund to back early-stage teams building on the platform.Whether any of this farming pays off is speculation. The larger bet is about which stablechain will become the dominant stablecoin rail, and how traditional finance institutions will weave stablechains and stablecoins into their product offerings.Tron and Ethereum have an enormous head start, but the challengers have more than $1 billion to spend closing it.

What Are Stablechains? Why Stablecoin Issuers Are Building Blockchains

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