FASB Crypto Fair Value Rules: What ASC 350-60 Means for Your Financial Statements
The old US GAAP treatment of crypto assets was, charitably, a mismatch between economic reality and the balance sheet. Entities that held Bitcoin or Ether were forced to write values down whenever prices fell but could never write them back up, leaving financial statements that chronically understated recoveries. FASB's ASC 350-60 ends that. The standard replaces the impairment-only model with mandatory fair-value measurement, and the consequences for crypto financial statements, audit workflows, and CFO strategy are substantial enough that no accounting professional holding or advising on digital assets can afford to treat this as a minor update.
What ASC 350-60 Actually Changes Under US GAAP
Before ASC 350-60, crypto assets were shoehorned into the indefinite-lived intangible asset framework under ASC 350. That meant carrying amounts at cost, with impairment testing whenever fair value fell below the carrying amount, but no upward revision when prices recovered. The economic distortion was obvious: a company that bought Bitcoin at $30,000, watched it fall to $20,000, wrote it down, and then saw it recover to $50,000 was still reporting $20,000 on its balance sheet.
The fair-value measurement requirement
Under ASC 350-60, entities measure qualifying crypto assets at fair value at each reporting date, with changes recognised in net income for the period. That means unrealised gains flow through the income statement, not just unrealised losses. The practical effect is a balance sheet that reflects current market prices and an income statement that is more volatile, period to period, than most CFOs have been accustomed to seeing from their digital asset portfolios.
Scope: which assets qualify
The standard applies to crypto assets that meet all of the following: they are intangible assets as defined in US GAAP; they are created or reside on a distributed ledger or blockchain; they are secured through cryptography; they are fungible; and they are not produced or created by the reporting entity. Importantly, wrapped tokens, NFTs, and stablecoins backed by other assets are generally outside the scope. CFOs and their accounting teams need to run a holdings inventory against these criteria before concluding that everything in the treasury account qualifies.
Presentation and disclosure requirements
ASC 350-60 also introduces a dedicated disclosure package. Entities must disclose the cost basis of crypto asset holdings, the fair value at the reporting date, gains and losses recognised during the period (split between realised and unrealised where practicable), and any contractual restrictions on the sale or transfer of holdings. For firms managing multi-entity structures or client funds, those disclosures add a layer of granularity that requires clean, asset-level recordkeeping from day one of acquisition.
Why the FASB Chose Fair Value Over Alternatives
FASB considered several measurement approaches before landing on fair value through net income. The board concluded that fair value provides the most decision-useful information to investors and creditors because crypto asset prices are observable in active markets, making Level 1 inputs under the fair-value hierarchy (ASC 820) readily available for the most widely held assets such as Bitcoin and Ether. The impairment-only model, by contrast, was producing what FASB itself described as information that did not faithfully represent the economic position of entities holding crypto.
The IASB comparison: where IFRS crypto assets land
For firms advising entities that report under IFRS, the landscape is different. The IASB has not issued a dedicated standard for crypto IFRS accounting. Instead, the IASB Agenda Decision from June 2019 directed preparers to apply IAS 38 (Intangible Assets) or IAS 2 (Inventories) depending on the holder's business model, with fair value through other comprehensive income available under IAS 38's revaluation model only where an active market exists and the entity elects that policy. The result is a patchwork that varies by jurisdiction and by the preparer's judgment on business model classification. FASB's ASC 350-60 is therefore a materially more prescriptive and, for most holders, more transparent regime than current IFRS guidance on IFRS crypto assets.
That divergence matters for multinational groups and for accounting firms with clients on both sides of the Atlantic. A US subsidiary reporting under US GAAP will show fair-value movements through net income; its UK or European parent consolidating under IFRS may present the same holdings very differently. Reconciling those differences in a group consolidation requires explicit accounting policy documentation and, often, a deferred tax analysis on the temporary differences created.
Audit Implications: What PCAOB-Registered Firms Need to Address
Fair-value measurement at the asset level, updated every reporting period, is a more demanding audit target than a once-a-year impairment test. For PCAOB-registered audit firms, the shift introduces several new or heightened risk areas.
Price-feed controls and the fair-value hierarchy
The audit team must evaluate whether the entity's chosen price feeds represent the principal market for each crypto asset, consistent with ASC 820. For liquid assets traded on multiple exchanges, the principal market determination is not always obvious. Internal controls over the selection, validation, and periodic reassessment of price sources are now a core part of the internal control over financial reporting (ICFR) scope for any entity with material crypto holdings. Auditors should expect to test those controls directly rather than relying solely on substantive procedures.
Completeness and existence assertions
Crypto assets held in self-custody wallets, on exchanges, or through custodians each present different audit evidence challenges. Confirming existence and completeness requires procedures tailored to the custody arrangement: on-chain verification for self-custody, custodian confirmations (with attention to whether the custodian holds assets on a commingled or segregated basis), and exchange statements for assets held on trading platforms. The PCAOB's ongoing standards modernisation programme is expected to address emerging technology procedures, but for current audits, firms are applying existing standards with careful judgment.
Management estimates and significant accounting judgments
For assets that do not have readily determinable fair values (those outside the scope of active-market Level 1 inputs), management must develop Level 2 or Level 3 estimates. Auditors evaluating those estimates need to assess the reasonableness of the valuation methodology, the quality of inputs, and whether the measurement period aligns with the entity's reporting date. Documentation of the audit team's evaluation of significant accounting judgments should be thorough, given that crypto asset valuations are an area regulators have flagged for heightened scrutiny.
CFO Perspective: Strategic and Operational Impacts
For CFOs overseeing treasury functions that include crypto assets, ASC 350-60 changes both the financial reporting narrative and some of the underlying operating decisions.
Earnings volatility and stakeholder communication
Running unrealised gains and losses through net income introduces a new source of reported earnings volatility that has nothing to do with the entity's operating performance. Investor relations teams and audit committees will need a clear, consistent communication framework to explain why net income swings alongside crypto market prices. Some entities may choose to use non-GAAP performance measures that strip out crypto fair-value movements, though those disclosures carry their own SEC scrutiny obligations under Regulation G and the SEC's non-GAAP guidance.
Tax accounting: the deferred tax dimension
Fair-value changes under ASC 350-60 create book-tax temporary differences. For US federal income tax purposes, unrealised gains on crypto assets are generally not taxable until a disposition event occurs. That means entities will recognise deferred tax liabilities on unrealised fair-value gains and deferred tax assets on unrealised losses, subject to valuation allowance assessment under ASC 740. CFOs and their tax advisers need to model those deferred tax positions as part of each close cycle, not as an afterthought at year-end.
Internal controls and the accounting policy update
Transitioning to ASC 350-60 is not simply a journal entry change. Entities need to update their formal accounting policies to reflect the new measurement model, revise their financial statement disclosure templates, implement or upgrade the price-feed and valuation controls discussed above, and train finance staff on the new close procedures. Firms advising clients through that transition should treat it as a project with defined milestones, not a routine accounting policy memo. For context on how digital asset holdings interact with broader GAAP classification questions, see our earlier analysis of how Bitcoin treasury companies are classified under ASC 805 and ASC 280.
Interaction with the Broader US Regulatory Landscape
ASC 350-60 does not exist in isolation. The SEC's ongoing engagement with digital asset disclosure, including its proposals around crypto asset reporting by public companies, means that entities filing with the SEC face overlapping requirements: the FASB measurement standard on one side and SEC disclosure expectations on the other. The SEC has signalled interest in how registrants characterise crypto holdings in MD&A, in risk factors, and in the notes to financial statements, all areas where ASC 350-60's new disclosure requirements intersect with existing SEC guidance.
The legislative environment adds further complexity. The legislative path for comprehensive crypto market structure reform has been uneven, as our coverage of what the stalled Clarity Act means for crypto accounting firms set out in detail. Until Congress provides clearer statutory definitions of crypto asset classifications, accounting firms and their clients will continue to navigate a patchwork of FASB standards, SEC guidance, and evolving IRS rules simultaneously.
For international groups, the gap between US GAAP and IFRS treatment of crypto assets creates consolidation complexity that is unlikely to resolve quickly. The IASB has digital assets on its research agenda but has not committed to a dedicated standard. That means the FASB-IASB divergence on IFRS crypto assets versus ASC 350-60 is a live issue for multinational accounting and audit teams for the foreseeable future.
Frequently Asked Questions
Which crypto assets are outside the scope of ASC 350-60?
Assets that fail any of the standard's scope criteria are excluded. That includes NFTs (not fungible), stablecoins backed by other assets (not purely intangible in the relevant sense), and crypto assets created or issued by the reporting entity itself. Each holding needs to be assessed individually against the full set of criteria before the standard is applied.
How does fair-value measurement under ASC 350-60 affect income tax accounting?
Unrealised fair-value gains recognised in net income are generally not taxable for US federal purposes until a disposition. That creates a deferred tax liability under ASC 740. Conversely, unrealised losses create deferred tax assets, subject to valuation allowance testing. CFOs should factor deferred tax modelling into every reporting close that includes material crypto holdings.
What is the principal market concept under ASC 820, and why does it matter for crypto?
ASC 820 requires fair value to be measured using the price in the principal market for the asset, which is the market with the greatest volume and activity for that asset. For crypto assets traded on multiple exchanges, the principal market may not be the exchange where the entity happens to hold the asset. Selecting and documenting the principal market is an accounting judgment that auditors will test directly.
Do IFRS preparers face the same requirements?
No. IFRS does not have a dedicated crypto asset standard. The IASB's 2019 Agenda Decision directed entities to apply IAS 38 or IAS 2 depending on the business model. Fair value through OCI is available under the IAS 38 revaluation model where an active market exists, but it is an accounting policy choice, not a requirement. The result is that IFRS preparers have more flexibility and less comparability than US GAAP preparers under ASC 350-60.
What should audit committees ask management about ASC 350-60 at the next board meeting?
Audit committees should ask: which holdings have been assessed against the scope criteria and what are the conclusions; what price feeds are used and how is the principal market determined; what internal controls govern the valuation process; what deferred tax positions have been recognised; and how will fair-value volatility be explained in earnings communications and MD&A? Documented answers to each of those questions signal that management has treated the transition seriously.
Source: Grant Thornton