Brazil’s Securities and Exchange Commission, known as the CVM, told regulated investment-fund managers on January 12, 2018 that their funds could not acquire cryptocurrencies directly.
Circular Letter No. 1/2018/CVM/SIN applied specifically to funds governed by CVM Instruction 555. The regulator’s institutional-investor division concluded that cryptocurrencies could not be classified as “financial assets” for purposes of Article 2, item V, of that instruction. Direct acquisition by the covered funds was therefore not permitted under the division’s interpretation.
The action mattered because it drew a firm boundary around professional fund participation during a period of intense interest in bitcoin and other digital assets. It did not prohibit Brazilian individuals from holding or trading cryptocurrency, close exchanges, or determine that every token was outside securities law. Its immediate effect was narrower: managers operating regulated pooled vehicles could not place cryptocurrencies directly in those portfolios.
A response to fund-industry questions
The circular was addressed to directors responsible for administering and managing investment funds. The CVM said it had received inquiries from market participants about whether funds governed by Instruction 555 could invest in assets then commonly described as cryptocurrencies.
The regulator grounded its answer in legal uncertainty rather than a final, universal classification of digital assets. It said the legal and economic nature of cryptocurrency remained under debate in Brazil and other jurisdictions, with no settled conclusion in Brazil’s domestic market or regulatory framework.
That distinction is important. The circular did not declare that cryptocurrency could never become an eligible asset or that no crypto-related instrument could qualify as a security. It interpreted the asset definition in the fund rule as it stood on January 12, 2018 and instructed regulated managers accordingly.
Indirect exposure remained unresolved
The CVM also acknowledged questions about indirect exposure. Market participants had asked whether Brazilian funds could invest through foreign vehicles operating in jurisdictions where cryptocurrency investment was admitted and regulated, or through derivatives traded in regulated foreign markets.
Circular No. 1 did not approve those structures. The institutional-investor division said its evaluation remained incomplete and asked administrators and managers to await a later, more conclusive position. On January 12, indirect investment was therefore an open regulatory question, not an available exemption established by the circular.
The agency identified cybersecurity and custody as risks requiring consideration. It also noted uncertainty about the future legality of acquiring or trading cryptocurrencies and referenced pending legislation that could restrict or prohibit parts of the market. These were regulatory risk assessments, not findings that a particular fund, exchange or token had violated Brazilian law.
Why the boundary mattered
Collective investment funds ordinarily combine professional management, regulated administration, asset-eligibility rules and periodic valuation. Cryptocurrency raised practical questions for each element: how an asset should be classified, who could hold its private keys, how ownership could be verified and how a continuously traded instrument should be valued across fragmented venues.
The January 12 circular resolved only the first and most immediate portfolio question. Covered funds could not buy cryptocurrencies themselves. It supplied no cryptocurrency price, market-share estimate, fund-exposure total or projected economic effect. Consequently, the surviving evidence does not support attributing any same-day market movement to the Brazilian decision.
Later context
On September 19, 2018, the CVM issued Circular No. 11/2018 and clarified that Instruction 555 did not prohibit indirect crypto exposure through qualifying foreign funds, derivatives and other assets traded in regulated overseas markets. That later guidance imposed due-diligence expectations involving legality, fraud, money laundering, market integrity, custody and pricing. It narrowed an uncertainty that remained expressly unresolved on January 12 without reversing the original restriction on direct cryptocurrency acquisition.
The complete source packet and revision history are retained with the newsroom record.
Automated systems may have assisted with source organization and drafting. Coinburn is accountable for the published text and maintains a revision record.
This article provides news and analysis, not investment, legal or tax advice. Digital assets are volatile and may result in total loss.

