While many crypto exchanges have seemingly embraced the use of proof-of-reserves (PoR) to showcase their transparency and reassure nervous users, crypto analyst Martin Hiesboeck insists such so-called proofs are susceptible to manipulation or misrepresentation. He added that PoRs alone are not a suitable method of verifying an exchange’s reserves because they do not “account for liabilities and off-chain assets at all.” (Bitcoin.com)