👉 Discover how OKX ensures transparency with Proof of Reserves
OKX continues to set industry standards for trust and financial transparency with its 31st monthly Proof of Reserves (PoR) audit, verifying $28 billion in user-held crypto assets as of June 2025. This independent verification process confirms OKX maintains a 1:1 reserve ratio across all supported assets.
Key Reserve Metrics (June 2025)
| Asset Type | Exchange Balances | On-Chain Wallets | Third-Party Custody | Reserve Ratio |
|---|---|---|---|---|
| OKX Account Assets | $8,625,049,227 | $8,778,992,875 | $255,101,570 | 102% |
| Stablecoin Reserves | $1,230,349,859 | $1,238,167,420 | $57,327,816 | 101% |
| BTC Holdings | $211,289,670 | $229,448,542 | $6,751,355 | 109% |
Why Proof of Reserves Matters
As a leading cryptocurrency exchange, OKX prioritizes asset security and financial accountability. Our PoR system:
- Guarantees Solvency: Maintains 1:1 reserves to protect user funds.
- Enhances Transparency: Publicly verifiable on-chain wallet balances.
- Builds Industry Trust: Monthly audits set a benchmark for crypto platforms.
"Proof of Reserves cryptographically verifies that exchanges hold sufficient assets to cover all user balances without exposing sensitive account details." — OKX Security Team
👉 Learn about our zk-STARK verification technology
How OKX's Proof of Reserves Works
1. zk-STARK Verification
We employ Zero-Knowledge Scalable Transparent ARguments of Knowledge (zk-STARK) to:
- Validate Merkle tree inclusion of all user balances.
- Confirm non-negative asset holdings per account.
- Preserve privacy by hiding individual account details.
2. Wallet Ownership Confirmation
OKX publicly shares signed messages ("I am an OKX address") from all on-chain wallets, proving control over reserve assets.
3. Reserve Ratio Calculation
Auditors compare:
- Total user balances (from Merkle roots)
- On-chain assets (from verified wallets)
A ratio ≥100% confirms full asset backing.
How to Verify OKX's Reserves Yourself
Step 1: Verify Inclusion Constraint
- Access your account’s Proof of Reserves page.
- Download the
_inclusion_proof.jsonfile. - Run OKX’s open-source zk-STARK verifier tool.
✅ Success message: "Inclusion constraint validated."
Step 2: Check Balance & Non-Negativity
- Download the
sum_proof_data.jsonfrom the Liabilities Report. Use the verifier tool to confirm:
- Total assets match OKX’s claims.
- No accounts show negative balances.
Step 3: Validate Wallet Ownership
Compare OKX’s published wallet addresses with:
- Blockchain explorers (e.g., Etherscan for ETH).
- Signed messages ("I am an OKX address").
FAQ
❓ What cryptocurrencies are included in OKX’s PoR?
OKX verifies reserves for 22 assets, including BTC, ETH, and major stablecoins (USDT, USDC).
❓ How often are reserves audited?
Monthly, with public reports published by the 7th of each month.
❓ Can PoR prevent exchange insolvency?
While PoR ensures asset backing, it doesn’t guarantee against operational risks. OKX mitigates this with cold storage and multi-sig wallets.
❓ Where can I view historical PoR data?
All reports are archived at OKX’s Transparency Portal.
Conclusion
OKX’s commitment to 100%+ reserve ratios and zk-STARK verifications establishes a new standard for crypto exchange transparency. Users can independently confirm their funds are backed by real assets—a critical step toward mainstream adoption.
👉 Explore OKX’s latest Proof of Reserves report
For questions, contact OKX Support.
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