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Encode Club x Onyx by J.P. Morgan Digital Identity Hackathon

Encode Club x Onyx by J.P. Morgan Digital Identity Hackathon

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Reward pool

from $50,000

from 50,000 USDC

Expected profit

up to $3,000

up to 3,000 USDC

Max participants

No limit

DropsEarn score


Normal, Low Risks


After an online kickoff event, participants will attend technical workshops, mentorship sessions and form teams in order to build and submit a hackathon project. With a prize pool and a wide variety of bounties from leading companies in web3 who are joining as hackathon partners, there’s a challenge for every kind of builder and non-tech web3 enthusiast looking to explore the world of digital identities.

Encode Club is also announcing that Lens Protocol and Biconomy are on board as hackathon partners (more companies to be announced soon).

Participants will use Onyx’s open-source Digital Identity SDK and APIs and software from the hackathon partners to develop exciting digital identity use cases across various tracks including web3 social, scalability, and account abstraction.

How does it work?

The hackathon starts on September 12th with an online launch event. You’ll meet the Encode and Onyx teams, as well as the hackathon partners³, who will tell you all about the available bounties and upcoming technical workshops!

The launch event will be followed by a series of workshops hosted by Encode Club, Onyx by J.P. Morgan, and the hackathon partners, aiming to help you build and ship a hackathon project in just four weeks.

You’ll have three weeks to build and submit a project. The tem will be there to help you every step of the way. Program manager will be in touch regularly to check on your progress, and you’ll be able to book check-in calls to get direct support. Encode Club hackathon partners will be active in the dedicated Discord channels and available to answer your technical questions.

The best submissions will be invited to pitch live in our hackathon finale event and compete for the top prizes.

Not invited to the finale? You may still be one of the prizewinners, so make sure to attend the event to find out and support the finalists.

Ready to participate?

Encode Club will be in touch with more details about hackathon logistics soon, including the workshop schedule, dedicated Discord channels, 1–1 support and more.

To find out more, visit website.

Hackathon Dates

Until Tuesday, 12th September: Early registration

Tuesday, 12th September: Hackathon begins with an online Launch event

Sunday, 8th October: Submission deadline

Mid October: Finale and Prizegiving Event

Premier Sponsor: Onyx by J.P. Morgan

Onyx by J.P. Morgan is a global leader in banking-led blockchain, building next generation financial ecosystems that enable the seamless exchange of value, digital assets and information. Onyx’s deep understanding of financial services, emerging technology, and client businesses enables them to create reliable, effective infrastructures and products alongside clients to reimagine traditional business models.

Onyx believes digital identity will empower individuals and organizations to own, control and share their identity data on their terms. They are at the cutting edge of advancing new technologies to enhance digital identity ownership and verification processes. These efforts will enable new use cases that aim to empower greater self-expression and verification in Web2 and Web3.

Find out more about Onyx by J.P. Morgan.

SDK Specific Challenges

OIDC Support  -  Implement functions to provide support for credential issuance and presentation exchange via the OpenID Connect standards for Verifiable Credentials

More DID Methods  -  Add support for a did method that follows the W3C spec to enable the SDK to be compatible with more SSI ecosystems

JSON-LD  -  Enable the SDK to support signing Verifiable Credentials with Linked Data Proofs

Revocation  -  Add support to the SDK for StatusList2021 spec for revocation of Verifiable Credentials

SD-JWT  -  add support to the SDK for creating a Verifiable Credential represented as a JWT that supports selective disclosure of claim values.

  • 1st place  -  $2,500
  • 2nd place  -  $1,500
  • 3rd place  -  $500
  • Honourable mentions: $50x5

Identity Innovation Spectrum

Foster innovative solutions in any sector where digital identity can bring significant benefits, with a particular focus on tooling, governance, onboarding, improving existing user experience or other broad applications.

  • 1st place - $1,000
  • 2nd place - $500
  • 3rd place - $250
  • Honourable mentions: $50x5

Social Identity Integration

Develop social applications utilizing digital identities for improving user engagement, privacy, and ownership.

  • 1st place  -  $1,000
  • 2nd place  -  $500
  • 3rd place  -  $250
  • Honourable mentions: $50x5

Finance & Identity Intersection

Explore the utilization of digital identities and verifiable credentials for enhancing trust, security, and inclusion for financial services products and services such as payments, investing, banking and lending.

  • 1st place  -  $1,000
  • 2nd place -  $500
  • 3rd place  -  $250
  • Honourable mentions: $50x5


Enable privacy-preserving use of verifiable credentials on the blockchain or enable a privacy-preserving way of sharing verifiable credentials off-chain for various application domains.

  • 1st place  -  $1,000
  • 2nd place  -  $500
  • 3rd place  -  $250
  • Honourable mentions: $50x5

Sponsor Challenges

Biconomy: Best User Experience for a consumer dApp

Think through building out a dApp aimed at consumers and build a Web3 solution with a superior UX. Think beyond an NFT mint or a web3 version of an existing web2 product. What values does Web3 bring to your solution? Why do Web3 technologies create a superior product in comparison to web2?

  • 2x $1,000 in USDC

Biconomy: Best use of Onyx SSI with Biconomy SDK

SSI unlocks many use cases in the web3 world. Perhaps you want to create a credit score system for onchain loans, prove voting eligibility criteria for onchain votes, or gate content based on sensitive details like age. These all require sensitive information we don’t want onchain. Think through solutions that combine both the Onyx SSI SDK with the Biconomy SDK to build out identity solutions in Web3 with powerful UX.

  • 2x $1,000 in USDC

Biconomy: Best One Click Experience

One feature of the Biconomy SDK allows you to batch multiple transactions into one transaction, thus letting your users perform multiple tasks in one click. Think through use cases in defi or actions in NFT marketplaces. Instead of approving and swapping in two clicks, you can do it in one, make it easier to add to liquidity pools and think through ways to improve NFT marketplace experiences with this. The more creative, the better chance of winning this prize

  • $1,000 in USDC

Visa: B2B Payments

Create a digital identity-based solution that solves common pain points in B2B payments use cases.

  • 1st place  -  $2,500
  • 2nd place  -  $1,500
  • 3rd place  -  $500

Lens: Best Lens Integrations

There have been multiple ways so far to integrate Lens into a variety of products. The best integrations will compete for 2 rewards.

  • 2 x  $500 USDC

Lens: Best Lens App

Lens allows for a wide range of apps to be developed. The best submissions will be in competition for 2 great prizes.

  • 1st place - $2,500 USDC
  • 2nd place - $1,500 USDC

zkSync: Paymasters

A paymaster in zkSync is a contract invoked during the transaction flow that agrees to pay the gas fees of a particular transaction on behalf of the user. Thanks to native account abstraction on zkSync Era, paymasters can be used by EOAs (like Metamask) and Smart Contract accounts. This bounty could involve creating a novel implementation of a paymaster contract within an application flow.

zkSync: Onyx SSI SDK x zkSync AA Open Track

This is an open track in collaboration with the Onyx SSI SDK and zkSync Era’s account abstraction.

zkSync: Wallets & Smart Accounts

With wallets and smart accounts, you can develop and showcase a wallet that takes full advantage of zkSync Era's account abstraction native implementation.

  • $20k prize pool

Magic: Consumer Facing

Best use of digital identity for a consumer facing application using Magic's SDK.

  • 1st place  -  $3,000
  • 2nd place  -  $1,000
  • 3rd place  -  $500
  • Honourable mentions: $100x5

About Encode Club

Encode Club is a Web3 education community learning and building together through fantastic programmes with the leading protocols in the space. Encode Club organises programs like education series, bootcamps, hackathons, and accelerators both online and in person. Read more here.



Encode Club and Onyx by J.P. Morgan has announced the launch of the Digital Identity Hackathon, a four-week online hackathon starting on September 12th hosted by Encode Club and sponsored by Onyx by J.P. Morgan.

Activity Type

Bug bounty





12 Sep 2023 03:00(UTC+3) - 24 Oct 2023 06:00(UTC+3)



When Reward:

24th October 2023

Event Status

You can't participate(Event ended)