Citrea Launches Mainnet, Introduces ctUSD Stablecoin

Citrea, developed by Chainway Labs and supported by Founders Fund and Galaxy, launched its mainnet introducing ctUSD on January 27, 2026, utilizing zkEVM technology for Bitcoin Layer 2 applications.

This launch positions Citrea as a pioneer in Bitcoin’s first ZK rollup, potentially reshaping BTC’s financial market integration by enhancing liquidity through its decentralized applications.

Citrea Unveils Mainnet with Revolutionary zkEVM Integration

Citrea, a Bitcoin Layer 2 project by Chainway Labs, has initiated its mainnet launch and introduced ctUSD, its native stablecoin. This project aims to incorporate zero-knowledge proofs into Bitcoin’s mainnet, enabling applications such as BTC-collateralized lending and structured products. It’s a strategic move toward developing a native Bitcoin financial market.

With the integration of zkEVM for transaction processing, Citrea seeks to expand the financial applications available to Bitcoin users. The ability to perform BTC-collateralized lending and other financial services on the Bitcoin network enhances its utility and adoption potential. The implementation of the Clementine bridge, allowing BTC to function seamlessly on Layer 2, is a significant technological development.

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Citrea’s integration of zkEVM marks a groundbreaking development in blending zero-knowledge proofs with Bitcoin’s mainnet, enhancing blockchain’s efficiency and security.

Bitcoin Market Dynamics and Citrea’s Potential Impact

Did you know? Citrea’s mainnet launch could potentially shift Bitcoin’s market landscape by providing robust financial tools directly on the network.

According to CoinMarketCap, Bitcoin (BTC) currently trades at $87,825.62, with a market cap of $1.75 trillion and a market dominance of 58.95%. The recent 24-hour trading volume is down by 28.94% to $35.45 billion. Over the past 90 days, BTC’s price has decreased by 22.07%, as of January 27, 2026.

Coincu analysts highlight that Citrea’s mainnet launch could potentially shift Bitcoin’s market landscape by providing robust financial tools directly on the network. No regulatory or policy changes have been noted, suggesting stable early traction for native BTC applications. Future technological advancements from Citrea could further influence industry adoption.