Citrea xyz is the first zk-rollup on Bitcoin that uses zero-knowledge proofs to batch transactions and publish validity directly on-chain, making Bitcoin both the settlement and data availability layer. Citrea Bitcoin rollup is fully EVM-compatible, allowing developers to seamlessly build applications on Bitcoin without altering its consensus.
The project has raised $16.7M in 2 funding rounds with participation from Galaxy Digital (Ventures), Delphi Digital, and others.
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Citrea is a zk-rollup that leverages Bitcoin blockspace to batch and compress thousands of transactions into zero-knowledge proofs, enabling far greater efficiency than Bitcoin alone. By securing execution directly on Bitcoin, Citrea zk delivers Bitcoin-level security to scalable applications and advanced financial primitives.
Citrea project inherits full Bitcoin L1 security, including all four properties needed for its security:
You can find more information in Citrea docs.
Citrea Proof Generation: Citrea protocol produces batch proofs that validate execution and blockspace for each transaction batch, and light client proofs that recursively aggregate them into a single proof of the entire rollup history. This ensures both full and light nodes can verify state transitions trustlessly with only Bitcoin data, delivering scalability with Bitcoin-level security.
🪙 Citrea Token: The native token is $CTR (fixed total supply of 10 billion). It serves as the coordination asset for the Bitcoin economy: users stake CTR to receive non-transferable xCTR, granting voting power over the Citrea Governance Treasury (liquidity incentives, council selection) and network operations via a modified vote-escrow model. It enables governance, emissions direction, and long-term alignment through staking rewards and dual-treasury mechanics.
Considering the potential Citrea Testnet airdrop campaign, followed by a decent fundraising from top-tier funds, our team completely analyzed the Citrea Network, highlighting its several pros and cons:
âś… Citrea pros:
❌ Citrea cons:
Citrea BTC project extends Bitcoin’s utility by introducing a zk-rollup that secures execution and data availability directly on the Bitcoin blockchain. Its proof system guarantees every state transition is valid, accessible, and immutable, making it the first true execution layer rooted in Bitcoin.
On July 17th, 2025, the project announced the launch of its Testnet campaign, allowing users to “unfreeze Bapps” ahead of the mainnet launch. Hence, we have prepared a detailed guide on how to join the event and qualify for the potential Citrea airdrop.
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