Fexr provides automated compliance and verifiable governance for communities through its smart contract-powered, crowd-verified oracles.
Fexr provides automated compliance and verifiable governance for communities through its smart contract-powered, crowd-verified oracles.
Smart contracts can't see the real world. They can't verify that an event happened, a task was completed, or a condition was met. That's the oracle problem. And that's exactly what Fexr solves.
Why can't smart contracts just read data from the internet? Because blockchains are deterministic systems that need consensus. External data breaks that model.
Events, actions, conditions, sensor data, human attestations
Deterministic, isolated, trustless by design
Single points of failure. One compromised node means corrupted data for everyone. Traditional oracles trust infrastructure, not verification.
Great for price data. Useless for subjective events. Did the contractor finish the job? Was the product authentic? Machines can't judge nuance.
If corrupting an oracle is cheaper than the value it protects, someone will corrupt it. Most systems don't align incentives properly.
We didn't invent oracles. We reinvented who verifies the data. Instead of trusting infrastructure, we trust communities with skin in the game.
Real humans with reputation stakes verify events. Not anonymous nodes—accountable community members with badge history, trust scores, and economic incentives to be honest.
Once verified, data flows to on-chain contracts automatically. Payouts release, NFTs mint, access grants, governance votes execute—all based on proven truth.
Every verification carries cryptographic proof of who attested, when, and with what evidence. Full audit trail from real-world event to on-chain action.
Follow the journey of a verification request through the Fexr oracle system.
A real-world event needs verification: task completion, product delivery, event attendance, sensor reading, or any observable occurrence.
The claimant submits evidence: photos, GPS tracks, sensor data, video, or attestations. Multiple proof types can be combined for higher confidence.
Qualified verifiers from the club's pool are selected randomly. Only members with sufficient trust scores and relevant badges can participate.
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Verifiers independently review the evidence and cast votes. When quorum is reached (e.g., 3-of-5 agree), the verification is finalized.
A configurable window (minutes to days) allows disputes. Anyone with counter-evidence can challenge. Challenged verifications go to expanded review.
Verified data is committed to the blockchain. Smart contracts trigger: rewards release, NFTs mint, governance votes execute, access grants.
Our verification system is designed to be both rigorous and efficient. Every component is calibrated to balance speed, accuracy, and security.
Club operators define who can verify: minimum trust score, required badges, geographic restrictions, or specialized expertise. Pools can overlap for cross-validation.
Not all votes are equal. Verifiers with higher trust scores, relevant domain badges, or longer track records carry more weight. A 95-score vote counts more than a 70.
Verifiers stake reputation and tokens. Provably false attestations result in slashing: reduced trust score, lost stake, and temporary or permanent pool exclusion.
Disputed verifications can escalate: larger verifier pool, higher-tier reviewers, or even external arbitration. The system is designed for edge cases.
Every member has a trust score that evolves based on their behavior. It's not just about participation—it's about accuracy, consistency, and integrity.
Can participate in low-stakes verifications. Limited voting weight.
Standard verification access. Can earn rewards from accurate votes.
Increased voting weight. Access to higher-value verifications.
Priority pool placement. Can review escalated disputes.
Maximum voting weight. Final arbitration authority. Highest rewards.
Different claims require different evidence. Our multi-modal proof system accepts various data types, each with its own verification protocol.
Timestamped photos with EXIF metadata verification. AI-assisted tampering detection. Multiple angle requirements for high-stakes claims.
Short-form video proofs with face verification optional. Continuous timestamp validation. Ideal for task completion or presence verification.
GPS coordinates with accuracy radius. Can require location consistency over time. Perfect for attendance, delivery, or geographic claims.
Direct integration with IoT devices. Temperature, humidity, motion, weight sensors. Signed data streams with device attestation.
Upload documents with hash verification. Third-party notarization integration. OCR extraction for structured data claims.
Connect external APIs as proof sources. OAuth integrations for third-party attestations. Webhook callbacks for real-time events.
Other members vouch for claims. Weighted by attester trust scores. Useful for community validation of soft claims.
Prove claims without revealing underlying data. "I'm over 18" without sharing birthdate. Privacy-preserving verification for sensitive data.
Verified data can trigger actions on any supported chain. Choose based on your speed, cost, and ecosystem requirements.
Low-cost, high-speed EVM chain. Ideal for high-volume verification workloads and consumer-facing dApps.
Ultra-fast finality with sub-second confirmation. Best for real-time applications and gaming use cases.
Subnet architecture for custom chains. Perfect for enterprises needing dedicated verification infrastructure.
Our oracle system powers diverse verification needs across industries. Here's how clubs use it today.
A fitness club runs a 30-day challenge where members earn tokens for completing workouts. The oracle verifies each claim.
Member submits workout proof: GPS track showing 10km run with timestamps
3 verifiers with "Fitness" badge review the evidence
Consensus reached: valid 10km run confirmed
Smart contract releases 50 FIT tokens to member wallet
A luxury goods club verifies authentic purchases. Members submit proof of purchase and receive authenticity badges.
Member submits receipt photo + product serial number
5 verifiers cross-reference with brand database
Quorum confirms: authentic product verified
Authenticity NFT minted to member's wallet
A conference club issues POAPs (Proof of Attendance) only to verified attendees, preventing farming and ensuring authenticity.
Attendee scans QR code at venue + submits location proof
Location verified within venue geofence
Time-in-venue threshold met (>2 hours)
POAP NFT + loyalty tokens released
A DAO club requires verified identity for governance votes. Oracle ensures one-person-one-vote without revealing identity.
Member requests voting eligibility verification
ZK-proof generated: "unique human" without revealing identity
Oracle confirms: eligible voter, not duplicate
Vote recorded on-chain with privacy preserved
Every verification creates an immutable audit trail. DVI is our decentralized data layer where all verification events, proofs, and outcomes are permanently recorded.
Verification records stored on IPFS with blockchain anchoring. Data persists even if Fexr disappears.
GraphQL interface for querying verification history. Filter by club, member, time, outcome.
Generate audit reports for regulators. GDPR-compliant data handling with selective disclosure.
Partners can verify claims against DVI. Build trust with external stakeholders.
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Our oracle system has been audited, stress-tested, and hardened against the attack vectors that plague other verification systems.
All on-chain contracts audited by leading security firms. Public audit reports available. Bug bounty program active.
Audited by Trail of BitsMulti-layered identity verification prevents fake accounts. Cost to create fake verifiers exceeds potential gains from manipulation.
Economic security modelNo single point of failure. Verifier pools are distributed globally. System continues operating if any node fails.
99.99% uptime SLAAll sensitive data encrypted with AES-256. TLS 1.3 for all communications. HSM-backed key management.
SOC 2 Type II compliantTraditional oracles solve different problems. Here's where Fexr excels.
If consensus isn't reached, the verification enters a dispute state. Additional verifiers from a larger pool are recruited. If still unresolved, it escalates to higher-tier arbitrators with proven track records.
Random selection, anonymous voting (until reveal), stake slashing, and challenge periods make collusion economically irrational. The cost of collusion exceeds potential gains.
Simple verifications with available verifiers: 30 seconds to 2 minutes. Complex claims with challenge periods: hours to days depending on club configuration.
Clubs can configure fallback pools, extend timeout windows, or use AI-assisted pre-screening to reduce load. Small clubs can share verifier pools with trusted partners.
DVI provides audit trails for regulators. GDPR-compliant data handling with selective disclosure. We work with legal counsel to ensure compliance in multiple jurisdictions.
Yes. Our SDK lets you connect verified data to any contract. Standard callback interfaces for Solidity, Rust (Solana), and other environments.
Join hundreds of clubs already using Fexr oracles to power their verification workflows. Start with our free tier or talk to our team about enterprise solutions.
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