The Blockchain Association has reaffirmed its support for six plaintiffs who are suing the United States Treasury’s Office of Foreign Assets Control (OFAC) over its sanctions on the cryptocurrency mixer Tornado Cash.
In a recent amicus curiae brief submitted to a U.S. appellate court on November 20, the Blockchain Association argued that OFAC’s decision to impose sanctions on the privacy protocol was not only unlawful but also went beyond its statutory authority.
They contended that it was “arbitrary and capricious,” in violation of the U.S. Constitution.
This marks the second amicus brief filed by the Blockchain Association in support of Tornado Cash users who are appealing a previous ruling that upheld OFAC’s decision to include the cryptocurrency mixer in its list of sanctioned entities.
Marisa Coppel, senior counsel for the Blockchain Association, stressed that OFAC should focus on sanctioning individuals who misuse tools like Tornado Cash rather than banning such tools outright, which they believe falls outside OFAC’s authority.
Coppel stated, “OFAC must see Tornado Cash for what it is: a tool that can be used by anyone.
“Rather than sanctioning a tool with a lawful purpose, OFAC should remain focused on the bad actors that misuse such tools.”
READ MORE: Atomic Wallet Requests Dismissal of $100-Million Hack Lawsuit, Citing Jurisdictional Grounds
She added that OFAC’s actions set a concerning precedent and could jeopardize the privacy rights of law-abiding Americans.
In their brief, the Blockchain Association suggested that OFAC should seek approval from Congress to ban crypto mixers like Tornado Cash, thereby acting within the bounds of the law.
They argued that the appropriate course of action is to “seek legislation from Congress that would provide supplemental authority in the uniquely decentralized digital asset context—not to improperly stretch its existing authorities.”
They cautioned against a power grab that could threaten various internet-based tools that have historically been freely available.
The Blockchain Association has consistently maintained that Tornado Cash operates without an owner or operator and can function autonomously without human intervention.
OFAC initially sanctioned Tornado Cash in August 2022, alleging that individuals and groups had used the mixer to launder over $7 billion in cryptocurrencies since 2019, including funds associated with the North Korea-affiliated Lazarus Group, which stole $455 million.
Microsoft CEO Satya Nadella took to social media on November 20th to announce significant developments within the company’s artificial intelligence (AI) research division.
In his post, Nadella expressed his enthusiasm about the hiring of former OpenAI CEO Sam Altman and OpenAI’s president, Greg Brockman, to lead a new advanced AI research team at Microsoft.
Nadella’s message underscored Microsoft’s ongoing commitment to its partnership with OpenAI, despite recent changes in leadership.
Emmett Shear, who assumed the role of OpenAI’s CEO on the same day as Altman’s departure, was mentioned with anticipation as Microsoft looked forward to collaborating with him in the future.
Shortly after Nadella’s announcement, Sam Altman retweeted the post, affirming that “the mission continues.”
This move came after Altman’s sudden ousting from OpenAI on November 17th, as the board of directors cited his alleged lack of transparency in communications as the reason for his removal.
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Following Altman’s departure, Greg Brockman also stepped down from his position on the OpenAI board.
In response to his exit from OpenAI, Brockman expressed his shock and sadness on social media. While the official announcement characterized his departure as a voluntary resignation, Brockman clarified in his post that he had been informed of his removal.
Meanwhile, at OpenAI, Mira Murati, the former chief technology officer, assumed the role of interim CEO for the three days following Altman’s departure.
Murati had joined OpenAI in 2018 when it still operated as a nonprofit research center.
On November 20th, the company named Emmett Shear as its CEO, bringing his expertise as the former CEO and co-founder of the video streaming platform Twitch into the organization.
Microsoft’s strategic move to bring Altman and Brockman on board highlights the company’s commitment to advancing AI research, fostering innovation, and solidifying its position in the rapidly evolving AI landscape.
The partnership with OpenAI, despite recent leadership changes, remains integral to Microsoft’s vision for the future of artificial intelligence.
Blockchain security firm dWallet Labs has unveiled a critical vulnerability that has the potential to impact around $1 billion worth of cryptocurrencies, including assets like Ether, Aptos, BNB, and Sui (SUI).
The vulnerability centers around validators hosted by the infrastructure provider InfStones. In a research paper sent to Cointelegraph, dWallet Labs outlined their findings, which exposed a series of vulnerabilities within InfStones validators.
The security firm explained, “A chain of vulnerabilities we discovered and exploited during our research allowed us to gain full control, run code, and extract private keys of hundreds of validators on multiple major networks, potentially leading to direct losses equivalent to over one billion dollars in cryptocurrencies such as ETH, BNB, SUI, APT, and many others.”
This means that an attacker exploiting this vulnerability could obtain the private keys of validators across various blockchain networks, potentially gaining control over more than a billion dollars’ worth of staked assets.
InfStones responded to the disclosure, disputing the claim that the bug could affect such a significant amount of assets.
Darko Radunovic, a representative from InfStones, stated that the potential vulnerability was only identified in a small fraction of the live nodes they had launched.
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Specifically, it was found in 237 instances, including 212 designated for testing and 25 newly launched nodes in the production environment.
Radunovic clarified, “The instances identified in production constitute a fraction below 0.1% of the live nodes we have launched to date.”
In response to the vulnerability report, InfStones took proactive measures.
They conducted internal reviews and had a security firm with accreditation audit their systems and company policies.
Additionally, the company initiated a bug bounty program to encourage third parties to collaborate on identifying and resolving any bugs they may discover.
The revelation of this vulnerability highlights the ongoing challenges in ensuring the security of blockchain networks and the importance of prompt and effective responses by both infrastructure providers and security firms to protect the assets of crypto holders and investors.
A hacker has managed to pilfer a staggering $25 million from Kronos Research, a quantitative trading firm, by gaining unauthorized access to its API keys.
The breach was unveiled by Kronos Research on November 19th when they discovered that an unauthorized entity had infiltrated their API keys.
As a precautionary measure, the firm swiftly halted its trading services on the platform. Fortunately, no financial losses were reported at that juncture.
Upon the disclosure of the breach, blockchain investigator ZachXBT delved into the matter and unearthed the shocking revelation that approximately $25 million had been funneled into six distinct cryptocurrency wallet addresses.
The investigation unveiled that the funds were moved in six separate transactions, totaling 2,780 Ether, 2,540 ETH, 2,540 ETH, 2,636 ETH, 4.93 ETH, and 2,507.52 ETH, respectively.
These transactions originated from a Kronos Research account and were sent to various addresses controlled by the hacker.
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Kronos Research has opted to indefinitely suspend its trading services while conducting an internal investigation to apprehend the individual responsible for the theft of over 12,800 ETH.
Despite this setback, the company remains optimistic about its future, stating, “Potential losses are not a significant portion of our equity, and we aim to resume trading as soon as possible.”
Kronos Research has yet to respond to Cointelegraph’s request for comment.
The escalating frequency of crypto-related hacks underscores the importance of thorough due diligence for potential investors in cryptocurrency projects.
CertiK, a blockchain security firm, recently disclosed that the third quarter of 2023 was the most “damaging” quarter for the crypto industry.
During this period, malicious actors employed a variety of techniques, including private key exploits, exit scams, and oracle manipulation, to compromise the security of crypto ecosystems.
Shockingly, the cumulative losses from security incidents during Q3 2023 exceeded $700 million, surpassing the losses incurred in the first and second quarters, which stood at $320 million and $313 million, respectively.
This alarming trend underscores the need for robust security measures and greater awareness within the cryptocurrency space as it continues to attract both investors and cybercriminals.
The company responsible for Atomic Wallet has submitted a request to a United States court, urging the dismissal of a class action lawsuit that seeks damages in the aftermath of a $100-million hack.
Their argument centers on the assertion that the claims should have been lodged in Estonia, where the company is headquartered.
In a motion for dismissal filed on November 16th in a Colorado District Court, the Estonian firm emphasized that it maintains “no U.S. ties.”
They cited their end-user license agreement, which explicitly mandates that all legal disputes against the company must be initiated in their home country of Estonia.
Furthermore, Atomic Wallet highlighted the fact that only one user in Colorado was reportedly impacted by the hack.
The company also underscored that the approximately 5,500 affected Atomic Wallet users had willingly agreed to its terms of service.
These terms of service clearly disclaim liability for losses due to theft and impose limits on damages, capping them at $50 per user.
Atomic Wallet argued that the plaintiff’s allegations of negligence lacked legal merit, as no legal duty existed that required them to maintain the security of Atomic Wallet or protect against hacking.
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They pointed out that the Colorado legal system does not recognize such a duty, citing previous court decisions as precedent.
Additionally, the Estonian-based wallet provider refuted claims of fraudulent misrepresentation brought forward by the plaintiffs.
The class action lawsuit was initiated in August, a couple of months following a $100-million exploit that affected up to 5,500 users of Atomic Wallet.
This hack had been attributed to both North Korean and Ukrainian groups.
In sum, Atomic Wallet’s request for dismissal centers on its contention that the lawsuit should be filed in Estonia in accordance with their terms of service.
They also argue that the claims of negligence and fraudulent misrepresentation are legally baseless, pointing to the limited liability and lack of a recognized legal duty in the state of Colorado as supporting arguments for the dismissal.
Bitcoin is currently approaching a crucial Fibonacci retracement level, which could signify the peak of its pre-halving surge. Titan of Crypto, a prominent social media trader, has reiterated his BTC price target of up to $50,000 on November 19.
Bitcoin is encountering significant resistance as it struggles to surpass the $40,000 threshold, with several unsuccessful attempts in the past week.
This price region also holds significance for overall market profitability, as $39,000 serves as a break-even point for those who entered the market during the 2021 bull run.
Titan of Crypto has identified $39,000 as an essential boundary, but this time, it pertains to where BTC/USD should ideally stabilize before the April 2024 block subsidy halving event.
He mentioned, “The pre-halving rally I mentioned a year ago is on the verge of reaching its target range between $39k-$50k,” emphasizing the importance of patience.
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This update refers to a previous post from December 2022 when Bitcoin was recovering from a low of $15,600.
Titan of Crypto had then used Fibonacci retracement levels to predict a pre-halving peak of up to $50,000, representing a 220% increase.
Filbfilb, co-founder of the trading platform DecenTrader, still considers around $46,000 as a probable level, while not ruling out the possibility of a temporary BTC price dip.
Looking beyond the halving, there’s growing curiosity about Bitcoin’s future prospects, with forecasts ranging from $130,000 or more by the end of 2025.
On the downside, $30,900 has emerged as a potential support level for Bitcoin’s next correction. Some argue that a lower move to test liquidity would be beneficial and a typical element of Bitcoin market uptrends.
Currently, BTC/USD is trading at $36,500, as per data from Cointelegraph Markets Pro and TradingView. It has maintained a sideways trend over the weekend.
WisdomTree, a global exchange-traded fund (ETF) provider, has taken another step towards launching a spot Bitcoin ETF by filing an amended Form S-1 prospectus with the United States Securities and Exchange Commission (SEC) on November 16, 2023.
This move follows WisdomTree’s initial refiling of its spot Bitcoin ETF application in June 2023, where it proposed a rule change to list and trade shares of the WisdomTree Bitcoin Trust on the BZX Exchange, facilitated by the Chicago Board Options Exchange (CBOE).
The newly updated prospectus reveals that the WisdomTree Bitcoin Trust ETF plans to trade under the ticker symbol BTCW, with Coinbase Custody Trust acting as the custodian responsible for holding all the trust’s Bitcoin assets.
Bloomberg ETF analyst James Seyffart noted that this amended filing signals WisdomTree’s continued commitment to launching a Bitcoin ETF and suggests ongoing discussions with the SEC.
Seyffart emphasized that this step is part of the process and not a critical development.
Eric Balchunas, another Bloomberg ETF expert, expressed concerns about the time it took for WisdomTree to amend its Form S-1 Bitcoin ETF filing.
READ MORE:Yearn.finance’s YFI Token Plummets 43% in Five Hours, Raising Exit Scam Concerns
He questioned whether the SEC was waiting for all S-1 filings to be updated before issuing a second round of comments.
Seyffart’s data revealed that among the 12 firms in the U.S. that have submitted spot Bitcoin ETF filings, only two have yet to amend their S-1 filings with the SEC: Franklin Templeton and Global X.
Franklin Templeton’s initial spot Bitcoin ETF deadline was set for November 17, but the SEC postponed it to January 1, 2024. Hashdex, which faced a similar deadline, also had its deadline moved to January 1, 2024, on November 15.
Global X, another firm that has not updated its S-1 filing, is awaiting its second spot Bitcoin ETF deadline on November 21.
While some expect the SEC to announce further delays in its decisions regarding upcoming deadlines, Seyffart maintains his belief that these delays will not significantly impact the high probability—90%—of the SEC approving a spot Bitcoin ETF before the end of January 2024.
The ETF industry continues to closely monitor these developments as the quest for a spot Bitcoin ETF in the U.S. unfolds.
Argentina’s presidential run-off election on November 19th witnessed a victory for Bitcoin-friendly candidate Javier Milei, who triumphed over his opponent Sergio Massa.
Milei secured over 55% of the votes, amassing a nearly 3-million-vote lead with almost 99% of the ballots counted, as per Bloomberg data.
In a show of sportsmanship, Massa, the incumbent minister of the economy, graciously congratulated Milei on his victory when more than 90% of the votes had been tallied, even before the official results were announced. Milei is set to assume office on December 10.
The central issue gripping Argentina throughout the election was its persistent inflation crisis, with the Argentine peso witnessing a staggering 140% annual inflation increase in the past year.
Milei has been a vocal critic of the country’s central bank, labeling it a “scam” and accusing politicians of using it to impose an “inflationary tax” on the populace.
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He has also endorsed Bitcoin as a move toward “returning money to its original creator, the private sector.”
Nevertheless, Milei has not indicated any immediate plans to make Bitcoin legal tender in the country.
In stark contrast, Massa holds opposing views on money, banking, and cryptocurrencies.
In October, he pledged to introduce a central bank digital currency (CBDC) if elected, with the aim of addressing Argentina’s persistent inflation crisis.
While Massa emerged victorious in the initial round of the presidential election in October, his success was insufficient to secure the presidency outright, leading to the final run-off vote.
Javier Milei’s triumph signifies a significant shift in Argentina’s political landscape, with a leader who is outspokenly supportive of Bitcoin and skeptical of traditional banking institutions set to take the reins.
As the country grapples with its inflation woes and economic challenges, the world will be watching to see how Milei’s presidency unfolds and whether any changes in financial policy will accompany his tenure.
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On November 17, decentralized exchange (DEX) dYdX found itself compelled to tap into its insurance fund, allocating $9 million to cover user liquidations.
Antonio Juliano, the founder of dYdX, has characterized these losses as a result of a “targeted attack” on the exchange.
According to information shared by the dYdX team on X (formerly known as Twitter), the v3 insurance fund was employed “to address deficiencies in liquidation processes within the YFI market.”
This move came in response to a significant drop in the Yearn.finance token, which plummeted by 43% on the same day, following a remarkable 170% surge in the preceding weeks.
This sudden and drastic price decline gave rise to concerns within the crypto community, with some speculating about a potential exit scam.
The purported attack specifically singled out long positions in YFI tokens on the dYdX platform, leading to the liquidation of positions valued at nearly $38 million.
Antonio Juliano suspects that both the trading losses experienced by dYdX and the sharp YFI decline were the consequences of market manipulation.
He stated, “This was pretty clearly a targeted attack against dYdX, including market manipulation of the entire $YFI market.
“We are investigating alongside several partners and will be transparent with what we discover.”
READ MORE:CoinShares Gains Exclusive Option to Acquire Valkyrie Funds, Eyes U.S. ETF Market Expansion
Juliano reassured users that their funds remained unaffected by the incident, emphasizing that the v3 insurance fund still retained $13.5 million.
He also pledged to conduct a comprehensive review of their risk parameters, potentially implementing changes to both v3 and the dYdX Chain software as needed.
In the aftermath of this profitable trade, the YFI token’s market capitalization suffered a staggering loss of over $300 million.
This development led to speculations within the community, with some raising concerns about the possibility of insider involvement in the YFI market.
Some users alleged that 50% of the YFI token supply was concentrated in 10 wallets controlled by developers.
However, data from Etherscan suggests that some of these wallets belong to crypto exchanges.
Despite efforts by Cointelegraph to seek comments from dYdX and Yearn.finance, neither party has responded as of yet.
The incident has brought to the forefront the challenges and vulnerabilities faced by decentralized exchanges in the cryptocurrency ecosystem.

