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Elena Zenth

Citrea Mainnet Goes Live With ctUSD Stablecoin and zkEVM Bitcoin Layer 2 on 27 January 2026

On January 27, 2026, Citrea, a Bitcoin Layer 2 project built by Chainway Labs with backing from Founders Fund and Galaxy, launched its mainnet and introduced the ctUSD stablecoin. The network uses zkEVM technology and the Clementine bridge to enable BTC-collateralized lending and other financial products on Bitcoin, while Bitcoin traded at $87,825.62 with a $1.75 trillion market cap and 58.95% dominance.