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Citrea Rewards Proposal

Vote on the date of the upcoming rewards distribution. Active voters are eligible for a 1,25x boost in claiming power.

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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
Pillar 1Pillar 1Pillar 1Pillar 1
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
Pillar 2Pillar 2Pillar 2Pillar 2
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.

Get ctUSD
Pillar 3Pillar 3Pillar 3Pillar 3

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 Voorhees

Balaji Srinivasan

Eric Wall

Jameson Lopp

And More

Latest Updates

Announcing $50 Million+ Institutional Liquidity Commitments and ctUSD Pre-Deposit Vault

May 5, 2026

Announcing $50 Million+ Institutional Liquidity Commitments and ctUSD Pre-Deposit Vault

Today, we’re announcing $50 million+ in planned liquidity commitments and a ctUSD Pre-Deposit Vault to accelerate Bitcoin capital markets with deep cBTC and ctUSD liquidity. $50M+ liquidity commitments are slated to come from Galaxy Digital and other leading asset managers to enable Bitcoin capital activities at scale. This institutional anchor provides the long-term structural depth required for the Citrea ecosystem, while the ctUSD Pre-Deposit Vault allows the community to earn while bootstra

Introducing CTR - The Coordination Asset for the Bitcoin Economy

May 4, 2026

Introducing CTR - The Coordination Asset for the Bitcoin Economy

Today, we introduce CTR, the coordination asset handing control of the Bitcoin economy back to its users. Bitcoin gave us something no financial system ever had: a trustless peer-to-peer electronic cash system. As Bitcoin established itself as the asset for censorship-resistant finance, the need for BTC in various financial use cases has become more prominent. Many attempts have been made to build an ecosystem for Bitcoin, but they were either forced to sacrifice programmability or rely on hea

Post-Quantum Citrea

April 3, 2026

Post-Quantum Citrea

Recent research [1] [2] has reignited the looming potential of quantum attacks on the very foundation of modern cryptography: the elliptic curves. As a layer secured by Bitcoin, Citrea shares the concern of the broader Bitcoin community that quantum computers could eventually break the elliptic curve cryptography Bitcoin relies on. However, our preliminary analysis shows that Citrea is well-positioned to adapt to a post-quantum Bitcoin environment. Making Citrea Post-Quantum Across Three Stac