Updated: Feb 4


Bounty #1: Best Ethereum DeFi projects utilizing 2+ ConsenSys products/projects



AirSwap powers peer-to-peer trading. Using a request-for-quote (RFQ) protocol, AirSwap traders are protected from both front-running and price slippage and trades are performed wallet-to-wallet through a variety of applications including MetaMask Swaps.

Bounty #1: Stablecoin Swap


Build a web app that uses AirSwap to let traders perform large 1:1 stablecoin swaps with each other. For technical details, see the AIP:

Judging Criteria:

- Github repository for review

- codebase for PoC with guidelines to run it

- recorded demo

Bounty #2: Add “light” protocol support to AirSwap CLI


AirSwap supports a “light” protocol with minimal features to save on gas. However, the AirSwap CLI currently does not support this protocol. Add a CLI command to request light orders from servers that support it. For technical details, see the GitHub issue:

Judging Criteria:

- Github pull request for review

- recorded demo

ConsenSys Quorum

ConsenSys Quorum is an open-source protocol layer that provides developers with the flexibility and reliability needed to make their blockchain applications successful. As a private, permissioned version of Ethereum, it enables enterprises to leverage Ethereum for blockchain applications that require high speed, throughput and privacy. ConsenSys Quorum comprises a suite of configurable components and APIs, enabling you to customize your use case and production environment.

Bounty #1: Best Enterprise blockchain interoperability with ConsenSys Quorum


We see increasing interest in cross-chain capabilities between non-Ethereum DLTs and Quorum blockchain networks.

For this bounty we encourage you to build or adapt a layer 2 solution allowing to interoperate a non-Ethereum DLT (e.g. HL Fabric, Corda, HL Sawtooth, HL Iroha, etc.) with a ConsenSys Quorum (HL Besu or GoQuorum)blockchain for cross-ledger token swaps.

Judging Criteria:

- Github repository for review

- architecture of the solution (components involved, sequence diagrams, etc.)

- list of supported features in particular supported tokens

- codebase for PoC with guidelines to run it

- recorded demo

Bounty #2: Best DApp, tool, extension, plugin or fix on ConsenSys Quorum


Buidl on top of Quorum using projects such as Quorum-Quickstart, Qubernetes, Remix Plugin, Quorum Cloud, Truffle, Cakeshop…. We want to see more extensions that play with public Ethereum and additional tools for devs to access in general when using ConsenSys Quorum.

We’re also looking for the best use of quorum features by building something like on ConsenSys Quorum, Dai for Quorum-to-mainnet transfers, or even cross chain token swaps. Please get creative with it!


Bounty #1: MetaMask Choice Award


We’re looking for the best dapp that incorporates MetaMask AND aims to perform a public good. Does your project help people keep COVID safe? Help health professionals deal with the pandemic? Surface better health data? Or help COVID affected job seekers? Submit your project to the MetaMask Choice Award for your chance to win the bounty and get featured on the MetaMask blog!


NB: All hackers will need to apply for access to ITX via with ‘EthDenver’ in the subject line, as the product is still in alpha mode.

Bring Uniswap and ITX closer together <3

Prize: $1500

To win this bounty, we challenge you to build a new website that allows a user to swap tokens on Uniswap via Infura Transaction Service (ITX). The user should not require any ETH upfront or a pre-deposit on ITX to use the service. Instead, the relayer (you!) should pay the network fee up front and then get refunded via the swap’s output. For example, if the user swaps DAI to ETH, then the relayer takes a slice of the ETH to cover the cost (and some profit too).

We are applying for a Unigrant to support the development of this project after the EthDenver hackathon. Assuming the grant is successful and the winning team delivers an exciting MVP, then there should be a larger bounty available to bring the relayer-enabled exchange to production (and/or hopefully integrated into the Uniswap interface). Of course, all code should be open-source and as you will soon see, we have designed ITX to have minimal integration-specific components such that the final router contract will not be aware of ITX at all and it is easy to swap out ITX with another relay service.

So let’s stop stuck transactions (uniswap swaps) together!


Truffle is a powerful development framework that makes building on Ethereum way easier, getting developers from idea to Dapp as comfortably as possible. Chocolate is not included, but maybe Truffle can help you develop a DApp to validate the authenticity of a truffle and help us all from getting duped by fake ganaches! The Truffle Suite includes Truffle, Ganache, Drizzle and Truffle Teams.

Bounty List:



Scribble is a runtime verification tool for Solidity that transforms annotations in the Scribble specification language into concrete assertions that check the specification. In other words, Scribble transforms existing contracts into contracts with equivalent behaviour, except that they also check properties.

Bounty #1: Add Scribble annotation to Uniswap with the following repos


More on Scribble:

You also get access to a fuzzing campaign and Mythx Pro subscription. Hit us up on Discord for any questions:

Bounty #2: Diligence Design Bounty


Ethereum is a dark forest, you are riding a unicorn to the moon while fighting the flying bugs with a lightsaber. Come up with slick designs, artworks, cover pictures, logos, let your artistic mind go wild for ConsenSys Diligence.

The top 3 best designs get up to $500 and exposure on all our social networks and newsletters. Not to mention their own design on the next conference goodies package (Hoodies, hats, stickers, etc).

Submit your designs here:

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