Bitcoin Stablecoin Options in 2026: Every Dollar on BTC

A complete guide to stablecoins available on Bitcoin in 2026. Compare USDB, DOC, DLLR, and other dollar-pegged assets across security, yield, and compatibility.

Flashnet Team|February 12, 2026

What Stablecoins Exist on Bitcoin?

Stablecoins on Bitcoin have grown from almost nonexistent to a competitive market in 2026. Unlike Ethereum, where USDT and USDC dominate with hundreds of billions in supply, Bitcoin stablecoins are newer and more focused on specific use cases like trading, DeFi, and treasury management.

The main categories are: fiat-backed stablecoins (like USDB, backed by U.S. Treasury bills), crypto-collateralized stablecoins (like DOC on Rootstock, backed by overcollateralized BTC), and wrapped stablecoins (USDT and USDC bridged from Ethereum via sidechains).

Each approach involves different tradeoffs around trust assumptions, yield generation, and counterparty risk. Fiat-backed stablecoins require trust in the issuer and custodian but offer the most reliable peg. Crypto-collateralized stablecoins are more decentralized but can depeg during market volatility. Wrapped stablecoins inherit bridge risk on top of the original token's risks.

Bitcoin Stablecoins Compared

USDB is Flashnet's native stablecoin on Spark L2. It is backed 1:1 by U.S. Treasury bills and passes T-bill yield directly to holders. USDB is designed for active trading on Flashnet's DEX and earns yield without staking or lock-ups.

DOC (Dollar on Chain) runs on Rootstock (RSK), a Bitcoin sidechain. It is collateralized by Bitcoin held in smart contracts, making it more decentralized but subject to BTC price volatility — extreme Bitcoin drops can stress the collateral ratio.

DLLR is another Rootstock-based stablecoin using a different collateral mechanism. It aims for greater capital efficiency than DOC but is limited by the RSK ecosystem's relatively small DeFi market.

Wrapped USDT/USDC on Liquid Network (Blockstream's federated sidechain) gives Bitcoin users access to the most liquid stablecoins but requires trusting both the original issuer and the Liquid federation.

The key differentiator for traders is yield and utility. USDB generates passive yield from T-bills and is natively integrated into Flashnet's trading platform. Most other Bitcoin stablecoins require additional steps to earn yield.

Why USDB Is the Best Stablecoin on Bitcoin for Traders

For active Bitcoin traders, USDB offers a unique combination: dollar stability, T-bill yield, and native integration with Flashnet's exchange. You can swap between BTC and USDB instantly, place limit orders denominated in dollars, and earn yield on your idle stablecoin balance.

Unlike wrapped stablecoins, USDB does not involve bridges or multi-chain risk. Unlike crypto-collateralized stablecoins, USDB does not face depeg risk from Bitcoin price drops. The T-bill backing provides a predictable yield tied to U.S. government rates.

For a live comparison of stablecoin yields across platforms, use the Stablecoin Yield Tracker.

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