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Citrea

Citrea

Citrea is the first zk-rollup that brings scalable, trust-minimized DeFi and ₿apps to Bitcoin—without changing its consensus

$4000 in $BTC

Enter Bounty

Deadline: June 5, 2025

About the project 

Citrea is the first zero-knowledge rollup to enable Bitcoin applications (₿apps) without changing Bitcoin's consensus rules. Citrea extends Bitcoin's utility using zero-knowledge technology, BitVM and Bitcoin as a data availability layer. Citrea’s bridge optimistically proves zero-knowledge proofs on Bitcoin, making Citrea the most secure and trust-minimized platform to use Bitcoin in decentralized finance. With Citrea, developers can build scalable payment systems, tap into Bitcoin’s liquidity with financial applications, and build privacy systems. Citrea is currently on testnet and approaching mainnet.


Founder/Team

Orkun Kilic, Co-founder and CEO: https://x.com/0x_orkun Ekrem Bal, 

co-founder and Chief Science Officer: https://x.com/ekrembal_ Esad 

Yusuf Atik, Co-founder and CTO: https://x.com/esadyusufatik

Murat Karademir, co-founder and COO: https://x.com/muratkun 

Tugce Smith, marketing lead: https://x.com/tugcesmith


Funding Information. 

Citrea completed seed and series A round. It raised $16.7M in total. Seed Round: https://www.blog.citrea.xyz/announcing-our-seed-round/ Series A Round: https://www.blog.citrea.xyz/announcing-citrea-series-a-round/

Nature of Content to Craft
It's the launch of a new category of applications, ₿apps.

Key Narratives

We want content creators to write about a new category of applications enabled by Citrea’s architecture, called ₿apps.

Here’s a brief:Google Doc
And a great write-up on the topic:Tweet by @yilmaz_btc

Scribblers should focus on the concept of ₿apps, which are enabled by zero-knowledge technology, a BitVM-based bridge, and Bitcoin as a data availability layer. The goal is to explore the value proposition of this new application category and the liquidity it can unlock for developers and users alike.


CTA to Focus on

For Developers

Encourage developers to build ₿apps through theCitrea Origins Incubation Program — a one-of-a-kind initiative offering hands-on support to teams launching ₿apps.


For Users

Explore some of the upcoming ₿apps redefining the Bitcoin ecosystem:

  • Tanari:
    The first self-owned Bitcoin financial platform. Offers payments, stablecoins, and Bitcoin investment — all in one app powered by account abstraction.
  • Nectra:
    A Bitcoin-backed stablecoin protocol unlocking BTC liquidity via Bitcoin-backed loans. Nectra aims to build a scalable and yield-generating stablecoin ecosystem.
  • SatsumaDEX:
    A DEX built to power every trade, reward liquidity providers, and help launch the best projects in the Bitcoin ecosystem.
  • [Crest (@crest_btc — coming soon)]:
    A self-custodial Bitcoin trading app with no compromises. Uses an RFQ system to help users save sats, time, and maintain full control with every trade.


Resources
Citrea learn page to understand the technology making ₿apps possible: https://citrea.xyz/what-is-citrea

https://citrea.xyz/intro-to-rollups

https://citrea.xyz/bitcoin-da-settlement

https://citrea.xyz/bitcoin-niche-use-cases


Citrea short explanations:

https://x.com/citrea_xyz/status/1917642715514171427

https://x.com/citrea_xyz/status/1788902191799156940


Citrea doc page:

https://docs.citrea.xyz/technical-specs/readme


Threads you can take inspiration from 

This was great about ₿apps:

https://x.com/yilmaz_btc/status/1919432356508664059


Value of ₿apps:

https://x.com/0x_orkun/status/1863555319239942464


Why Do BTC L2s Matter:

https://x.com/0x_orkun/status/1876251806520766475


Hyperbitcoinization is the Endgame:

https://x.com/0x_orkun/status/1867609511520862520

Things to not cover or not to do while crafting

  1. No AI written and botted content.
  2. No token shill.

Deadline/Timelines

5th June - 11:59 PM IST

Rewards - 
1. $4K in BTC for Public and Private Community