Trustful is a reputation system made by Blockful
This is a placeholder to bring everything else in an update this Monday as discussed in the discord submissions DM
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Trustful: Reputation Aggregator System
Introduction
Trustful is a Reputation Aggregator System leveraging EAS and the Grants Stack to enable communities to create custom reputation scores to value the efforts or expertise of their members, serving as a customizable multiplier for governance votes or matched donations on funding rounds.
What it does?
Trustful allows users to easily bring their deeds to on-chain attestations in a format that supports broad usability and to use those attestations to receive attestation scores custom for each community or use case.
Users mainly follow two separate journeys in the system to achieve those goals:
- Issuing Badges: Working as a custom interface for EAS it allows users to verify badges they have on other reputation systems through our system and issue an attestation to prove that ownership
- Creating Scores: Users can create their own “Scorers”, selecting any amount of badges and attributing them a multiplier value. Those scorers generate an attestation to an address with a given score number, but can also be queried through an API to be used for off-chain systems. Scorers are saved in our system and can be picked from a public list if a user wants to select a previously created scorer for their use case.
Prototype
Trustful home screen
Simple interface for generating attestations from staple sources of reputation on other systems.
Scorer creation, choosing badges and their multiplier value.
Built by Blockful
Trustful is being researched and built by blockful.io team. We are currently an official service provider for ENS DAO and have been working on grants, RFPs, and missions on Optimism, Arbitrum, Stellar, and ShutterDAO. Trustful is part of our first batch of products, all focusing on improving coordination through public goods in the areas of AI governance, reputation systems and governance security.
Grants Funding
So far Trustful has only received funding once, 1.8 ETH on Zuzalu Builders Gitcoin round, which allowed us to start the research and design our first MVP.
We are now ready to build the first two MVPs and looking for funding to speed up this development.
Current Development Stage
We are launching our first MVP with basic features for issuing badges and creating scores, with one EVM and one Stellar Network version.
This will help us validate use cases and inform further development. We have completed the product design, mapped necessary integrations, and adapted the MVP for Zuzalu spin-off events and the Stellar network developer quests. The front-end design is also complete for the first MVP.
Upcoming Milestones
In the next few months, we aim to:
- Finish all integrations with other on-chain systems.
- Launch a functional dApp MVP on Optimism.
- Launch a functional dApp MVP on the Stellar Network.
- Extend our badge system from predefined community badges to custom badge issuance with EAS.
Funding Goals
We seek to raise $80k to speed up our MVPs and fund R&D beyond the two MVPs we are currently working on.
Team
- danimim.eth as Product Manager
Marketing Specialist, former NounDAO Brasil member, hackathon winner, writer, and speaker on reputation at ETH Belgrade. - alexnetto.eth as Technical Lead
Smart Contract Engineer, multiple contributions to ENS DAO, multiple hackathon wins, top 7 delegate at ENS DAO. - zeugh.eth as Product Designer
Coordination nerd, DAO Ops specialist, former JuiceboxDAO and Origami member, founder of CanuDAO (RIP) for building DAO tooling.
Collaborations
We are working with Zuzalu.city and the Stellar network on the design. The product is nearing the end of its conception phase, moving towards its first MVP.
Why Trustful?
Isolated reputation systems won’t enhance coordination. Reputation is a significant challenge for scaling coordination over public goods and their funding. Trustful addresses this by understanding each group’s unique needs while avoiding isolation.
Impact Metrics
Our impact will be measured by:
- Number of communities using Trustful
- Total individual users
- Total different badge types
Contact and Further Information
Feel free to reach out for any additional information or clarifications. Thank you for considering Trustful for funding.
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We’ve just published a new article about Trustful, why and how we are building it
You can read or collect it here
There’re also some other articles on Blockful’s mirror that get on the topic of reputation during our previous research.
EPOCH 5 Short Term Update
- Total Funds Received (Previous Round): 0.46 ETH
- Total Funds Requested: $80k
- Funds Spent: 0.46 ETH
- All funds received from the grant were used to pay for the engineer work on the front-end for the Optimism MVP
- Remaining Balance: $0
Plans for Next Epoch
-
Integration of features from the different MVPs:
- Unification of Badge Systems: Combine the badge issuance systems of ZuVillage Georgia and Karma GAP scorer mechanism into a single dApp.
- Scorer System Integration: Integrate Karma GAP’s scorer functionality with the unified badge system to ensure seamless operation from statement badges to scoring points.
- Deployment and Testing: Deployment of the integrated dApp on testnets, followed by thorough testing and monitoring to ensure stability between the different use cases.
- Expected Immediate Outcome: The unification of the ZuVillage Georgia badge version and the Karma GAP scorer system into a single dApp, enabling both features to operate seamlessly together and enable communities to value their contributors and offer onchain recognition for efforts done.
- Funding Needed: 12 ETH
-
Research around ZK Implementation:
- Identify ZK key technologies and tools
- Conduct initial experiments and small-scale implementations
- Implement ZK technology based on research findings
- Finalize experiments and gather all data
- Implement findings and prepare the final report
- Expected Immediate Outcome: A comprehensive report on ZK technologies, successful small-scale implementations, and initial ZK deployment.
- Funding Needed: 10 ETH
-
Finalization of Integration with Cartographers Syndicate:
- Developing a badge issuance system to aggregate reputation for grant programs
- Ensuring compatibility and seamless integration with the Arbitrum network and the registry’s smart contract infrastructure
- Implementation and integration with the Karma GAP funding map
- Expected Immediate Outcome: The expected immediate outcome is the successful deployment of the badge issuance system, seamless integration with the Arbitrum network and the registry’s smart contract infrastructure, and the implementation and integration with the Karma GAP funding map.
- Funding Needed: 5 ETH
-
Karma GAP: https://gap.karmahq.xyz/project/trustful
-
Additional Funding Request: 27 ETH
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Thanks for the update @Zeugh.eth
Looks like you’ve made some solid progress, especially with bringing together the badge systems and integrating the Karma GAP scorer.
The ZK research and deployment sounds exciting, looking forward to hearing more about it. Keep it up! 
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