Signs structured evidence
An authorized entity verifies an outcome and signs schema-bound data.
SIGN(payload, issuer_key)
Verifiable reputation on Whitechain
Evidence people carry.
Trust built for lending.
Issuer-signed evidence helps Whitechain apps evaluate trust through transparent policies, without a hidden universal score.
IssuerConsumerUserdApp
Registry
RegistryWhitechain 1874
WhiteBIT ecosystemWhitechain executionSOVA evidenceConsumer decisions
The reputation layer
Evidence becomes useful when every decision stays inspectable.
SOVA keeps issuance, registry state, and consumer policy separate. That makes reputation portable without making it opaque.S
One attestation.
Many valid decisions.
The claim remains stable. Consumers choose the schema, issuer, age, and disclosure requirements that fit their product.
Anchors authoritative state
Validity, authorization, and revocation remain directly inspectable onchain.
registry.isUsable(id)Evaluates an explicit policy
The application accepts or rejects evidence with a reason users can understand.
evaluate(claim, policy)Testnet proof
Not a promise.
A registry record.
This is a captured example of an issuer-signed claim recorded as usable on Whitechain Testnet. Applications should query the API or registry for its current state before making a decision.Check current state via API ↗Registry snapshotRecorded active
S
Attestation0x2bc2f6...7f1bc1
- Claim state
- Usable at capture
- Issuer
- 0x9325B1...bB2B28
- Schema
- 0xa4fd4d...ffb526
- Network
- Whitechain Testnet
✓Recorded from registry
0x953a4e...2c8bCf
0x953a4e...2c8bCf
Chain 1874Recorded registry snapshot. Current state remains authoritative.
Built for the ecosystem
Reputation infrastructure that adapts to the decision.
No single score decides every use case. Products compose the evidence they actually need.Credit
Lending that can explain its trust requirements.
Use repayment evidence and issuer rules without reducing a person to one universal score.
Growth
Reward durable participation, not temporary wallet activity.
Airdrops and campaigns can require fresh, usable claims from accepted issuers.
Identity
Connect WB Soul signals with protocol evidence.
Combine public Whitechain identity signals with SOVA attestations through explicit policy.
Access
Make eligibility portable across the ecosystem.
Users carry verifiable evidence. Each app keeps control over its own decision policy.
Consumer policy
The same claim can pass here and fail there.
That is a feature. Each product publishes what it requires, and SOVA returns the reason.Policy examples
Public lending policy
Accepted
The claim is active, fresh, schema-matched, and issued by an accepted authority.
- Registry usable
- True
- Accepted issuer
- Matched
- Private disclosure
- Optional
For builders
Read evidence.
Make the decision.
Integrate indexed attestations through REST, or verify authoritative state directly against the Solidity registry.GET/v1/attestations/0x2bc2f6...
{
"status": "ACTIVE",
"usable": true,
"chainId": 1874
}200 OKFrequently Asked Questions