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Global foreign exchange and payments platforms are lobbying hard against stablecoins, which stand to significantly disrupt their business models, investor Kevin O’Leary said during a keynote address at Consensus 2025.

Legacy forex and payments platforms often extract large fees for servicing cross-border cash transfers and stand to lose out on revenue if regulated stablecoins become accepted as a cheaper, faster alternative, O’Leary said at the Toronto conference. 

“Currency trading is a multi-trillion dollar market — and it’s old and ugly and inefficient,” O’Leary said, adding that “[ t]he biggest threat to that monopoly or oligopoly is a regulated stablecoin.” 

“Once that’s approved, the multi-trillion dollar FX market becomes efficient, transparent, and inexpensive,” he said. 

Stablecoin legislation

US lawmakers are working on legislation that stands to accelerate global stablecoin adoption, O’Leary added. 

US Senators are aiming to pass the so-called Genius Act — a framework for regulating stablecoins — before the end of May. “As soon as the SEC approves the stablecoin act, every regulator in the US’s circle — Abu Dhabi, Switzerland, England — will follow,” O’Leary said.

“Who’s worried about this? The financial services industry. They hate this idea, and they’re working very hard to stop that bill from happening right now,” he added.

O’Leary said regulatory clarity for stablecoins may be a precursor to broader cryptocurrency reform that could potentially unlock trillions of dollars in institutional capital.

“When this language comes out, people will see really good refinement, a lot of progress, on things like consumer protection, bankruptcy protection, and ethics,” US Senator Kirsten Gillibrand said during an event hosted by Coinbase's lobbying arm, Stand with Crypto.

As of May 15, stablecoins are collectively worth nearly $250 billion in market capitalization, according to data from CoinGecko. Tether’s US-dollar pegged stablecoin USDT is the leader, with a market cap of around $150 million, the data showed. It’s followed by Circle’s USDC, another US-dollar pegged stablecoin with a market cap of more than $60 billion.

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Coinbase chief legal officer Paul Grewal addressed some of the concerns raised by US lawmakers and industry leaders around President Donald Trump’s crypto ventures, and how they may affect related legislation.

Speaking at the Consensus conference in Toronto on May 15, Grewal said there had been “hiccups” in Congress since the Senate Banking Committee voted to advance the Guiding and Establishing National Innovation for US Stablecoins, or GENIUS Act, in March. Though Grewal said there were disputes over “substantial issues that need to be addressed” in the bill, he hinted that Trump’s involvement in the industry was a “complicating factor.” 

“The discussion around the president's support for a certain memecoin or two and other efforts does add a certain level of challenge to the effort to get Democrats and Republicans aligned on the right way to regulate the [spot market], but I have confidence that the Senate and the House are going to sort all that out,” said Grewal.

Democrats including Senator Elizabeth Warren explicitly called out the Trump family’s crypto venture, World Liberty Financial, and its USD1 stablecoin in opposing the GENIUS Act. However, some of the bill’s supporters, like Senator Kirsten Gillibrand, who proposed an earlier version of the legislation, said they would remove language specifically targeting the president’s crypto ventures.

Related: Democrats seek suspicious activity reports linked to Trump crypto ventures

Whatever the terms for modifications to the bill may be, many lawmakers still expect the Senate to take up another vote in a matter of days. Punchbowl reported on May 15 that Democrats “won major victories” after receiving assurances that some of their concerns around consumer protection, Anti-Money Laundering, and national security safeguards would be addressed.

First stablecoins, then a market structure bill?

The House of Representatives is also considering draft legislation for a digital asset market structure bill, a different iteration of the FIT21 bill that passed the chamber in May 2024. Democratic representatives have similarly pushed back on the legislation, citing “Trump’s crypto corruption.”

"I think we're gonna learn a lot from the progress we see just in the next few days on stablecoins on the appetite to really tackle all these problems on any schedule that resembles the one that was laid out not long ago by the White House and certain leaders in Congress,” said Grewal.

Magazine: Trump’s crypto ventures raise conflict of interest, insider trading questions

Today in crypto, Coinbase reportedly refused to pay a $20 million ransom after insiders leaked user data in a phishing scheme — the breach could cost the exchange up to $400 million. The company has since fired a group of contracted customer support agents, allegedly involved in the attacks. Meanwhile, Huione Guarantee — suspected of operating as the world’s largest darknet marketplace — has shut down after a Telegram account purge disrupted its network.

Coinbase fires compromised agents in India — Report

Coinbase has reportedly fired a group of customer support agents following their alleged involvement in social engineering attacks on users. The contracted agents were based in India.

According to a May 15 Fortune interview, Coinbase's chief security officer, Philip Martin, said the company flagged customer support contractors who allowed scammers access to user data, suggesting they could be Indian nationals. The CSO’s comments came after some crypto users reeled from attempted phishing attacks using their Coinbase data, which the exchange estimated could cost them between $180 million and $400 million in remediation and reimbursement.

Qiao Wang, a core contributor to Alliance DAO, said in a May 15 X post that he may have been a victim of one of these attacks. He said a scammer notified him his Coinbase account had been compromised, asked him to verify his personal information, to which the criminals likely had access through the compromised agents, and requested he withdraw all his funds to a “Coinbase self-custodial wallet.”

“I called them out at the end of the call telling them they need to step up their game [...],” said Wang on X. “They told me that had made $7m that day.”

Coinbase faces $400 million bill after insider phishing attack

Coinbase, the world’s third-largest cryptocurrency exchange, was hit by a $20 million extortion attempt after cybercriminals recruited overseas support agents to leak user data, the company said.

According to a May 15 blog post, Coinbase said a group of external actors bribed and coordinated with several customer support contractors to access internal systems and steal limited user account data.

“These insiders abused their access to customer support systems to steal the account data for a small subset of customers,” Coinbase said, adding that no passwords, private keys, funds or Coinbase Prime accounts were affected.

Less than 1% of Coinbase’s monthly transacting users’ data was affected by the attack, the company said.

After stealing the data, the attackers attempted to extort $20 million worth of Bitcoin (BTC) from Coinbase in exchange for not disclosing the breach. Coinbase refused the demand.

Coinbase said it will reimburse users who were tricked into sending cryptocurrency to phishing scammers, with expected remediation and reimbursement expenses ranging from $180 million to $400 million.

The crypto exchange disclosed the estimate in an 8-K filing with the US Securities and Exchange Commission on May 15, noting the expenses relate to “voluntary customer reimbursements” and other remediation efforts.

Telegram shuts the “largest darknet marketplace to have ever existed”

A major Chinese darknet marketplace suspected of facilitating crypto scams and cybercrime says it is ceasing operations after being targeted in a ban wave by the Telegram messaging service, upon which it operated.

The internet’s largest illicit marketplace, Haowang Guarantee, formerly Huione Guarantee, saw Telegram’s ban thousands of its associated accounts on May 13. 

“Since all our NFTs, channels and groups were blocked by Telegram on May 13, 2025, Haowang Guarantee will cease operations from now on,” read the notice on the marketplace website.

A report from Wired said that this involved banning thousands of accounts and usernames that served as the infrastructure for the crypto crime marketplace and its vendors.

Telegram spokesperson Remi Vaughn told the outlet, “communities previously reported to us by WIRED or included in reports published by Elliptic have all been taken down,” before adding that “criminal activities like scamming or money laundering are forbidden by Telegram’s terms of service and are always removed whenever discovered.”