This post was originally published on Darwinia


Crab Network will hold an online hackathon on the DoraHacks platform to fund the development of projects and applications that contribute to the Crab ecosystem and promote overall network growth.

Hackathon Platform

DoraHacks: https://hackerlink.io/hackathon

Event Details

2022/1/4 6:00:00 PM (UTC +8) — 2022/3/1 9:00:00 PM (UTC+8) | Online

The Crab Hackathon aims to encourage developers to contribute ideas and early-stage projects related to Web3 Tools, DeFi, Metaverse, and NFT to the Crab ecosystem.

The USD 100,000 in the prize pool, will be allocated based on the votes of the judging panel. Meanwhile, if developers combines Crust’s decentralized storage solution, there will be an additional USD 2,000 prize pool, donated by Crust Network.

Crab is looking for projects including but not limited to:

Web3 Tools
Wallets, Multi-sig tools, DAOs, etc.

DEX(Decentralized Exchange), Price Oracles, Lending protocols, Stable coin, etc.

Play-to-earn blockchain games, NFT gaming item management tools, etc.

NFT marketplaces, NFT staking projects, etc.

Participants should follow the instructions below:

  1. Participants need to build a project on the Crab blockchain and be fully open-source, with repository access provided for judging and testing;
  2. The idea of the submitted project can be generated and discussed in advance, and the use of external open-source tools is allowed, but the core code and function implementation need to be completed during the hackathon;
  3. One participant, whether an individual or a team, is legitimate for a single prize;
  4. All of the projects must be submitted with a demo video and a pitch, which should include a demo of the working application;
  5. None of the submitted material content should infringe the intellectual property rights of others;
  6. The submitted code should be complete, readable, and compatible on different devices.


Crab’s technical team, community members, and investment agency will form a judging panel, to make impartial comments on the following dimensions for the projects (for reference only, the judging panel has the final right of interpretation).

  1. Technicality
  2. Innovation of the concept
  3. Ecological contribution
  4. Market potential
  5. Code integrity

Voting Mechanism

Judges’ votes will determine the distribution of the prize pool. The whole voting process will be internal and results will be announced within one week after the end of the hackathon (2022/3/2~2022/3/9).

Prize Pool

The total prize pool is up to USD 102,000 (USDT/CRAB), including :

$10,000 USDT Track-specific prizes:

  • Web3 Tools Track:
    Outstanding prize $10,000 USDT
    Merit prize: $8,000 USDT
    Decent prize $5,000 USDT
  • DeFi Track:
    Outstanding prize $10000 USDT
    Merit prize $8,000 USDT;
    Decent prize $5,000 USDT
  • Metaverse Track:
    Outstanding prize $10,000 USDT
    Merit prize: $8,000 USDT
    Decent prize $5,000 USDT
  • NFT Track:
    Outstanding prize $10,000 USDT
    Merit prize: $8,000 USDT
    Decent prize $5,000 USDT

$2,000 USDT Crust Network Prize Pool:

The USD 100,000 in the prize pool, will be allocated based on the votes of the judging panel. Meanwhile, if developers combines Crust’s decentralized storage solution, there will be an additional USD 2,000 prize pool, donated by Crust Network.

🎉🎉 You will get $1000 bouns as long as the code submitted can finally run on Crab chain.


Darwinia Fund Pool: $70,000 USDT

MXEC Prize Pool: $30,000 USDT

Crust Network Prize Pool: $2,000 USDT

NOTE: The prize is denominated in USDT, but winners are entitled to choose the composition and percentage of different tokens. E.g. if you win the $10,000 outstanding prize, you have the right to it to be paid all in USDT, all in CRAB, or a mix of the two.


  • Developer Tools
    Resources and documentation for your team.
  • End-to-End Support
    Guidance of technical hurdles and strategic development.
  • Business Development
    Recommend well-known venture capital institutions and industry leaders to promote projects to the next level.

Get involved now

Developer Documentation: https://docs.crab.network/builders/get-started/darwinia-dev

Developer Telegraph Group: https://t.me/DarwiniaDev

Crab-Grants Guide Workshop: https://www.youtube.com/watch?v=zlmBa1bzABw

Blockchain Explorer: https://crab.subscan.io/

GitHub: https://github.com/darwinia-network

Official Website: https://crab.network/

Official Twitter: https://twitter.com/DarwiniaNetwork

Official Telegram: https://t.me/DarwiniaNetwork

Official Medium: https://darwinianetwork.medium.com/

Technical Checklist for Developers

□ Crab and Pangolin RPC

□ Subscan Explorer

□ Subview Explorer

□ Builders Docs

□ The Graph Docs https://docs.crab.network/builders/integrations/indexers/dvm-thegraph

□ Gas Tracker https://etherscan.io/gastracker

Media Support

Polkawarriors, Dotmarketcap, Polka Daily, Polka Dotters, Parachain News, Polkadot News, Metaverse News

About Crab Network

  1. Ease of multi-chain integration:
  • DVM(Darwinia Virtual Machine) is EVM(Ethereum Virtual Machine) compatible, which provides developers with the ability to rapidly port dapps from Ethereum and EVM-compatible chains to the Polkadot ecosystem.

2. Not just an EVM platform, Crab is also providing:

  • Substrate-to-Substrate bridge
  • Ethereum cross-chain bridge

📖 Usecases:

DEX building on Crab can integrate cross-chain assets across Ethereum and Polkadot ecosystem.

For NFT applications,enable to discover cross-chain NFT interoperability with Substrate-based chains, such as RMRK on Kusama.

3. Oasis for the Polkadot Metaverse ecosystem

  • Darwinia has developed Metaverse game Evolution Land, which has been included in TOP 5 NFT games, etc.

📖 Usecases:

For Gamefi applications, enable to showcase the reuse of NFTs by integrating NFTs into Evolution Land.

4. Active community to fix your cold-start problem

  • As a growing EVM compatible platform still at an early stage, community users are requesting diversified DeFi, NFT, Gamefi applications.
  • Building on Crab help you efficiently expand user adoption of your application.

5. Strong tech support from the Darwinia team

  • Darwinia has won 3 W3F grants
  • Darwinia was also written in the Polkadot light paper
  • Darwinia has won Level-2 badge from Parity

Join Us:

Come join us and create a reliable future together.


The team has many senior experts engaged in the development and technical research of the blockchain field and has participated in the development of many blockchain open-source projects including Bitshares, Ethereum, NEO, and so on.

We have maintained cooperation with many companies in the industry and have won Web3 foundation grant. Our team is located in Singapore, but we have partner companies in Shanghai and Nanjing, China, which can provide multiple jobs.

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