Bitcoin Capital Markets
Citrea is the Bitcoin application layer, enabling institutions and users to access Bitcoin capital markets.
3 Pillars of Citrea
Citrea exists to close the gap between growing demand for Bitcoin and the network’s lack of native support for Bitcoin applications.
Citrea & Bapps
First ZK rollup on Bitcoin
Citrea is the first fully programmable platform that is secured by Bitcoin. With zero-knowledge technology, Citrea enables Bitcoin applications (₿apps) that bring liquidity, demand and utility to the Bitcoin Network.
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cBTC
Clementine Bridge
Citrea is optimistically verified by the Bitcoin Network thanks to its BitVM-based bridge, Clementine. Citrea BTC (cBTC) is the first trust-minimized Bitcoin on a fully programmable platform.
Clementine Whitepaper
ctUSD
1:1 Fiat-Backed Stablecoin for Bitcoin
ctUSD is the native stablecoin for Bitcoin. It serves as the foundational liquidity layer for Bitcoin applications. ctUSD is designed to align with the forthcoming GENIUS Act guidelines and fully backed by short-term U.S. Treasury bills and cash.
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Bitcoin-native Applications: ₿apps
A ₿app is a non-custodial application that uses BTC or BTC-denominated assets and is secured by the Bitcoin Network.
Citrea Origins:Bitcoin Incubation Program
Citrea Origins program helps you launch your project on Citrea with support from our ecosystem and GTM team. Get access to grants, technical resources, and community support to build applications on Bitcoin.
Backed by Industry Leaders
Supported by the most respected names in crypto
Erik Voorhees
Balaji Srinivasan
Eric Wall
Jameson Lopp
Latest Updates
August 28, 2026
Concluding Early Staker Program
Three months ago, CTR launched to bring a coordination asset model to the Bitcoin ecosystem, catalyzing capital efficiency, driving protocol governance, and activating institutional-grade Bitcoin capital markets at scale. To establish a highly committed foundation of early network governors, 10 million CTR was allocated to participants staking during this initial phase. With the final distribution on August 26, all 10 million CTR has now been distributed, marking the official conclusion of the
August 19, 2026
ctUSD MoonPay On-Ramps are Live - Available in 120+ Countries
Today, MoonPay on-ramps and off-ramps officially go live for ctUSD, providing seamless banking rails between on-chain collateral and off-chain fiat systems for the Bitcoin ecosystem. In partnership with MoonPay and M0, Citrea launched ctUSD to establish foundational liquidity for Bitcoin applications. ctUSD is now officially live for direct on-ramps in the US (excluding New York, Colorado and U.S. Virgin Islands) and across 120+ countries worldwide. Start with ctUSD MoonPay On-Ramps/Off-Ramps
August 4, 2026
6 Months of Clementine - First Trust-Minimized Bitcoin Bridge
Historically, Bitcoin bridges have relied almost exclusively on federated multi-signature setups (such as 3-of-5 or 5-of-7 signers). These legacy designs require users to place complete trust in a small committee of key holders, creating central points of failure and significant custodial risks. Citrea’s trust-minimized bridge, Clementine, fundamentally shifted this security model when it launched into live production. Powered by BitVM and zero-knowledge (ZK) cryptography, cBTC debuted as the f