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Bitcoin Capital Markets

Citrea is the Bitcoin application layer, enabling institutions and users to access Bitcoin capital markets.

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Bitcoin

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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Pillar 1
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Pillar 2

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
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Pillar 3

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.

Build with Citrea Origins

Backed by Industry Leaders

Supported by the most respected names in crypto

Investor 1
Investor 2
Investor 3
Investor 4

Erik Voorhess

Balaji Srinivasan

Eric Wall

Jameson Lopp

And More

Latest Updates

Citrea Introduces the Citrea Foundation to Accelerate Bitcoin’s Programmable Future

March 2, 2026

Citrea Introduces the Citrea Foundation to Accelerate Bitcoin’s Programmable Future

Today, we introduce the Citrea Foundation, an independent organization dedicated to supporting the growth and decentralization of Bitcoin’s programmable future. This marks a significant milestone for Citrea, bringing us closer to executing our vision of building the future of how the world interacts with Bitcoin. The core mission of the Citrea Foundation is to empower the open-source community and builders to lower the barriers to Bitcoin adoption. In doing so, the Foundation ensures that proto

Citrea Mainnet Is Live - Enabling Bitcoin to Be Used for Lending, Trading and Settlement

January 27, 2026

Citrea Mainnet Is Live - Enabling Bitcoin to Be Used for Lending, Trading and Settlement

Bitcoin is the world’s largest digital asset, yet its potential as a financial instrument has remained dormant. Bitcoin users have historically been forced to move liquidity off-Bitcoin or trust centralized black boxes to access broader financial activities.  That ends now. Citrea Mainnet is officially live.  We are launching the first application layer purpose-built to activate Bitcoin capital markets. Citrea is the first to bring utility, demand, and liquidity to Bitcoin, enabling instituti

Introducing Citrea USD (ctUSD): The Native Stablecoin for Bitcoin, Issued by MoonPay and Powered by M0

January 15, 2026

Introducing Citrea USD (ctUSD): The Native Stablecoin for Bitcoin, Issued by MoonPay and Powered by M0

In partnership with MoonPay and M0, Citrea is launching ctUSD to establish the native liquidity standard for the Bitcoin ecosystem and provide banking rails between on-chain Bitcoin collateral and off-chain fiat systems. Today, we are introducing Citrea USD (ctUSD), the stablecoin designed to serve as the foundational liquidity layer for the Citrea platform. ctUSD is a 1:1 U.S dollar-denominated stablecoin, fully backed by short-term U.S. Treasury bills and cash. Powered by M0, the universal s