BitMEX Launched a System Allows All Depositors to Self-Verify Liabilities

BitMEX· 2 min read

Bitmex published a blog post on official website announcing it launched a system that will allow all depositors to self-verify their liabilities in the crypto exchange's total liability balance sheet.

The company's "Proof of Liability," or PoL, system does not use a third-party auditor and preserves client privacy via Merkle tree, a cryptographic data structure.

BitMEX’s Fully Fledged PoL System Now Live & Operational

BitMEX Research 1 Dec 2022

BitMEX is delighted to announce that the Proof of Liability (PoL) system is now fully live and operational. All BitMEX depositors can now verify their individual liability is included in the total exchange liability balance. This self verification process can be conducted without a third party auditor. Client privacy is preserved, because account balances are randomly split into multiple leaves of the Merkle tree. Reserve and Liability snapshots are published twice a week on Tuesdays and Thursdays.

In order to search for your liability in the leaves of the Merkle tree, you can use your “accountNonce” for multiple snapshots or just the “nonce” for individual snapshots. These nonces are now provided to every BitMEX depositor and can be found on the website when you log into your account. The nonces are available in the “My Account” page, as shown in the image below. Once you have the nonce, you can search across all the leaves of the Merkle tree looking for a collision. The leaves where this collision occurs are your balance.

How to find your nonce?

How to conduct the PoL process?

PoL Result

An example output from the PoL process is shown below. The account has a deposit of 0.1 Bitcoin, split across four leaves in the Merkle tree.

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