2025-09-18by Roberto Mayen-Hess

Building Trust in Decentralized Work with Verifiable Credentials

This blog provides context for the Andamio Catalyst Fund 14 proposal “On-Chain Task and Contributor Verification.” Link to the proposal: https://projectcatalyst.io/funds/14/cardano-use-cases-concepts/onchain-task-and-contributor-verification


In Catalyst — and across decentralized collaboration more broadly — the same problem keeps surfacing: how do we prove that work actually happened? Whether it’s a funded proposal, an open-source project, or a global research team, too much contributor activity is trapped in spreadsheets, Discord threads, or private tools. These records aren’t verifiable, portable, or tamper-proof. Without a shared trust layer, contributors struggle to build reputations that carry across projects, and organizations waste time reconciling incomplete reports.

That’s what this Fund 14 proposal is about — not just building the Andamio Protocol, but proving how it can plug directly into an existing Web2 app, Nestr.io, to supercharge it with Cardano-native functionality.


Why This Integration Matters

The Andamio Protocol on its own provides verifiable credentials and on-chain task verification. But the real breakthrough is what happens when you connect it to Nestr.io:

  • Existing users of Nestr.io don’t have to learn a new tool.
  • Organizations gain on-chain auditability inside the workflows they already use.
  • The Cardano ecosystem gets a live proof-of-concept for how any Web2 app can add a Web3 layer by plugging into the protocol.

This is not theory — it’s a working model of how to bridge the usability gap that often blocks blockchain adoption.


Verifiable Credentials in Practice

Instead of contributors relying on screenshots or referrals, they’ll carry verifiable credentials tied to their Nestr.io activity:

  1. A task is created and completed inside Nestr.io.
  2. The Andamio Protocol verifies and records the result on Cardano.
  3. The contributor receives a credential, portable across the ecosystem.

For contributors, this builds self-sovereign reputation. For project managers, it means task histories don’t vanish in Slack threads — they live on the blockchain.


On-Chain Task Verification

Here’s the workflow this integration delivers:

  • A project in Nestr.io defines a task.
  • Completion is confirmed by peers or managers.
  • The Andamio Protocol writes the verified record to Cardano’s ledger.

That record can’t be altered. It becomes part of the contributor’s track record, and part of the organization’s transparent audit trail.

Together, Nestr.io’s governance workflows + Andamio’s protocol layer create a complete loop: tasks are proposed, completed, verified, and immutably stored.


Lowering Barriers with Sponsored Transactions

One blocker for many contributors is fees and wallet setup. By including sponsored transactions, the integration removes this friction:

  • Contributors don’t need ADA just to get started.
  • The user experience feels like Nestr.io always has — but now with Cardano securing the back end.
  • Organizations can absorb costs centrally instead of pushing them onto every individual.

Why This Is Big for Cardano

This proposal is about more than Andamio or Nestr.io. It demonstrates a repeatable model:

  • A Cardano-native protocol that provides verifiable records and credentials.
  • A Web2-familiar app that integrates those features without redesigning itself.
  • A proof-of-concept that shows how other apps in the ecosystem — and beyond — can do the same.

The result is practical adoption: blockchain infrastructure enhancing real workflows instead of asking users to start from scratch.


What’s Next

With Fund 14 support, we’ll deliver the integration of the Andamio Protocol into Nestr.io — creating the first live proof that Cardano can plug into existing collaboration tools and make them verifiable, portable, and trustworthy.

If Cardano wants to lead in decentralized collaboration, we need to show how protocols can extend, not replace, the apps people already use.


Do you wanna know more about Andamio? Visit us: https://www.andamio.io/

Say hello: hello@andamio.io

Come to our discord server: https://discord.gg/mkSBHDmzPB

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