Robinhood Testnet · chain 46630. Test tokens only. GYEVO credentials are project-issued, not official GIWA or Upbit credentials.
GYEVO
Robinhood TestnetTestnet
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Documentation

How GYEVO works

GYEVO is an independent protocol for credential-gated participation. A project credential establishes who is eligible; a zero-knowledge proof lets a holder show eligibility without revealing the private value behind it.

Network
Robinhood Testnet
Chain ID
46630
Stage
Testnet demonstration
Tokens
Test tokens only

01Overview

Everything starts from one project credential, issued through DOJANG. Two separate paths use it, and only one of them needs a private proof.

OriginDOJANGProject credential
Policy 4
DAO GovernancePropose and vote
No private proof
Policy 3
BOJAGIPrivate ZK proof
Lending V2Proof-gated actions

Path 1 · DAO. A policy-4 credential makes a wallet eligible to propose and vote. No BOJAGI proof is involved.

Path 2 · Lending. A policy-3 credential is turned into a private zero-knowledge proof by BOJAGI, which Lending V2 verifies on-chain.

It runs on Robinhood Testnet (chain ID 46630) as a controlled testnet demonstration with test tokens. GYEVO is not operated, verified or endorsed by GIWA, Dojang or Upbit.

02DOJANG · Project Credentials

A project credential is a record in the GYEVO credential registry. It binds one wallet to a sealed commitment, a policy, a version and an expiry date. An authorized project issuer creates it, and it can expire or be revoked.

Policy 4

DAO Governance

Makes a wallet eligible to propose and vote.

Policy 3

Lending

Makes a wallet eligible for proof-gated Lending actions, together with a private proof.

The registry stores a commitment, never the private value itself. Project credentials are not identity verification.

Open DOJANG

03BOJAGI · Private Proofs

BOJAGI proves, in your browser, that the private value behind a credential meets a rule, without revealing it.

  1. Commitment

    The issuer records a commitment to your private value on-chain and delivers a private witness (the value and a random salt) to you.

  2. Import

    You import the witness. It is held in memory for the session and never uploaded.

  3. Proof

    Your browser generates a zero-knowledge proof that the witness matches the on-chain commitment and meets the threshold.

  4. Verification

    A verifier contract checks the proof on-chain when you take the action.

Public

Your wallet, the commitment, the policy, the chain, the target contract and the proof.

Private

The value and its salt. They never leave your device.

Open BOJAGI

04DAO Governance

Who can take part
Wallets that hold an active policy-4 project credential. The credential alone is enough: no BOJAGI proof is involved.
What members do
Create proposals and vote For, Against or Abstain. Each eligible wallet votes once, and every vote is public.
Lifecycle
Voting starts one minute after a proposal is created. Anyone can finalize it once voting closes, and anyone can execute a successful proposal before it expires.
Scope
The first phase has one bounded action: the minimum remaining credential validity the DAO itself requires. It cannot change Lending settings or move funds.

Open DAO Governance

05Lending

Two demo assets
rUSD2 is lent and rCOL2 is posted as collateral. Both are controlled test tokens, not real or bridged assets.
When a proof is needed
Supplying, enabling collateral and borrowing require a policy-3 credential and a fresh private proof, checked again by the contract. Repaying and safe withdrawals do not.
Prices
A controlled test oracle publishes synthetic, operator-set prices. They are not market data.
Rates
Rates are variable and interest is simple, not compounded.
What it is not
Lending V2 is a demonstration of credential-gated lending. It is not a trading platform and offers no exchange, spot or derivatives trading.

Open Lending

06Get started

  1. Launch the app

    Connect a wallet from the header. Nothing connects automatically.

  2. Switch to Robinhood Testnet

    The app prompts you when the network is wrong. You need a little test ETH for gas from the Robinhood Testnet faucet.

  3. Check your credential

    Open the DOJANG page. Credentials are issued by the project issuer; self-service issuance is not available yet.

  4. Take part

    With a policy-4 credential, use DAO Governance. With a policy-3 credential and its witness, use Lending.

The contracts are deployed and the demo tokens and test prices are configured. Credential issuance for Lending and end-to-end wallet journeys are still being completed, so some actions may not be available yet.

07Robinhood Testnet

Network
Robinhood Chain Testnet
Chain ID
46630
Currency
ETH (test, no value)
RPC
https://rpc.testnet.chain.robinhood.com public, rate limited

Contract addresses and status

08Security, privacy and limits

Testnet only
GYEVO is not audited, not a financial product and holds no real funds. Test tokens have no value.
What privacy covers
A proof hides the private eligibility value. Wallet addresses, transactions, amounts and votes are public, and so is the fact that a gated action happened.
Trusted issuer
The project issuer decides who receives a credential. A proof shows that a holder meets a rule; it does not remove trust in the issuer.
Not official
Project credentials are separate from official GIWA Dojang and Upbit credentials.
Source verification
Contract source publication on the explorer is pending; the Contracts page shows the current status.
Technical reference
Proof system
A Noir circuit, proved in the browser with UltraHonk and checked by a generated Solidity verifier.
Public inputs
Wallet, commitment, policy, policy version, threshold, credential version, expiry, chain ID and target contract address.
Binding
A proof is bound to one wallet, one credential version, one chain and one target contract, so it cannot be reused elsewhere.
Contracts
Credential registry, verifier and adapter, DAO governance, Lending pool, test oracle and two test tokens. See Contracts.