After Coinbase CEO Brian Armstrong called for a reconsideration of the rules for accredited investors in the United States, billionaire investor Mark Cuban responded on June 16 with a blunt line on X:
“Just sell MemeCoins Brian!”
It was short, sarcastic, and very Cuban.
But behind the joke sits a larger criticism of how US markets treat retail investors. On X, formerly known as Twitter, Armstrong argued that current rules are keeping ordinary investors away from some of the most attractive early-stage opportunities, while wealthy investors continue to gain access before everyone else.
A system built on wealth, not knowledge
His main point was simple. Many companies now stay private much longer than before. By the time the company finally goes public, a large portion of the profits may have already been taken by venture capital firms, private equity, and institutional investors.
Retail investors are allowed to buy after the IPO, often at a later and more expensive time.
Armstrong said the laws were originally designed with good intentions. They were intended to protect ordinary people from fraud, excessive risk, and deals that they may not fully understand.
But, in his opinion, the result has been wrong. Instead of protecting the people, the laws may now be protecting the access of those who are already rich.
Under the current framework for accredited investors, access is largely related to income, net worth, or employment status. Armstrong criticized that approach, saying it effectively creates a system where wealth gives one the right to take financial risks, while everyone else is treated as if they can’t make their own decisions.
He described the situation as a setback. In other words, the law that was created to protect people may now be limiting their ability to build wealth.
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Armstrong proposes two ways forward
Armstrong floated two possible options. The first would be to replace the current wealth-based standard with a financial literacy test. If someone can prove that they understand risk, private markets, and the basics of investing, they should be allowed to participate.
The second option will go even further. Armstrong said the rule could be lifted entirely, allowing consenting adults to assess their own risk. Disclosure requirements will remain in place, and fraud will still be penalized. But access will no longer depend primarily on whether a person is already wealthy.
That controversy is not new in Silicon Valley or in crypto circles. Founders, venture capitalists, and other advocates of the retail market have made similar points for years.
What makes Armstrong’s post remarkable is that it comes from the CEO of Coinbase, a company built on the idea that more people should have direct access to financial markets.
Related: S&P 500 CEO Brian Armstrong warns of looming US debt crisis
Cuban highlights the contradictions in retail investing
Cuban’s response came because it revealed an uncomfortable conflict.
Retail investors may be prohibited from investing in private companies prior to the IPO. But they can still buy meme coins, micro-cap tokens, derivatives, and other highly speculative assets with very few hurdles. In crypto in particular, the most dangerous products are often easily accessible.
That seems to be the point Cuban was making. If regulators are trying to protect ordinary investors from risky secret deals, why are those same investors allowed to pour money into meme coins that can rise or fall in hours?
The comments weren’t really about meme coins alone. It was about inconsistency.
What gives the jab an edge is Cuba’s complicated history with crypto. He was once one of the most visible sportscasters, strongly endorsing Bitcoin as a hedge against inflation, championing Dogecoin, and even leading the Dallas Mavericks to become one of the first major NBA teams to accept DOGE as payment for tickets and merchandise. He has also invested in nearly two dozen blockchain companies.
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But the conviction did not delay. Cuban sold most of his Bitcoin holdings in May 2026 after it failed to act as the inflation shield he expected. He has since described the crypto space at large as “disappointing,” and called meme coins “garbage.”
That history is important here. When Cubans mock Armstrong by telling him to just sell meme coins to people, it doesn’t come from an outsider looking on.
Meme coins have become a symbol of speculative trading in crypto. Some sellers have made huge profits, but many others have lost money chasing hype, viral narratives, and tokens with little or no business model. Compared to that, investing in a private company may not be automatically protected, but current rules treat the two worlds very differently.
Armstrong’s position is that access should be fair. Cuban’s response suggests that the current system is riddled with contradictions.
Related: Mark Cuban backs crypto idea that many once hated
This story was originally published by TheStreet on Jun 16, 2026, where it appeared first in the FRAGRANCES category. Add TheStreet as a favorite source by clicking here.
