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Privacy Pools launch on Ethereum, with Vitalik demoing the feature

A new semi-permissionless privacy tool, Privacy Pools, has launched on Ethereum, allowing users to transact privately while proving their funds aren’t linked to illicit activities.

The privacy tool, launched by Ethereum builders 0xbow.io on March 31, earned support from the likes of Ethereum co-founder Vitalik Buterin, who not only backed the privacy project but made one of the first deposits on the platform. 

0xbow.io said that it implements “Association Sets” to batch transactions into the anonymous Privacy Pools and that a screening test is conducted to ensure that those transactions aren’t linked to illicit actors, such as hackers, phishers and scammers.

The Association Sets are “dynamic” — meaning that if a transaction is admitted but later found to be illicit, it can be removed from the set without disrupting any other deposits, 0xbow.io said.

If a deposit is disqualified, the user can click the “ragequit” function to return the funds to their original deposit address.

The innovation is part of 0xbow.io’s vision to “Make Privacy Normal Again” while also attempting to achieve regulatory compliance.  

Privacy protocols have received considerable backlash from regulators in recent years due to their increasing use by illicit actors to launder funds. 

One of those privacy tools, Tornado Cash, was sanctioned by the US Treasury’s Office of Foreign Assets Control (OFAC) between August 2022 and March 2025 after it was linked to around $7 billion laundered by the North Korean state-backed Lazarus Group.

Tornado Cash has since been removed from OFAC’s blacklist after a US appeals court said the sanctions were unlawful in January 2025.

0xbow.io noted that initial deposits are limited to 1 Ether (ETH) but that the limit would be raised once the privacy protocol is more battle-tested.

Privacy Pools inspired by Buterin and others

Over 21 ETH has already been transferred into Privacy Pools from 69 deposits, including at least one from Buterin, 0xbow.io noted.

Privacy Pools launch on Ethereum, with Vitalik demoing the feature

Source: Vitalik Buterin

In addition to Buterin, 0xbow.io said it also received investment support from Number Group, BanklessVC, Public Works and several angel investors.

Related: Privacy isn’t a luxury in crypto, it’s a necessity — Midnight CEO

0xbow.io also praised Buterin, Chainalysis Chief Scientist Jacob Illum, and two academics at the University of Basel in Switzerland for crafting a September 2023 white paper outlining how Privacy Pools could be built. 

0xbow.io strategic adviser Ameen Soleimani also contributed to the paper, which has seen over 12,000 downloads and has been cited in nine other papers.

The Privacy Pool code also passed a successful audit from Audit Wizard. a smart contract auditing firm co-founded by former Apple engineer Joe van Loon.

More than $41 billion worth of illicit transfers were made in 2024,  which made up 0.14% of total onchain volume for the year, according to the Chainalysis 2025 Crypto Crime report published on Jan. 15.

While it marked around an 11% fall from 2023, Chainalysis said that figure could climb to around $51 billion as more criminal-tied addresses are found.

Magazine: What are native rollups? Full guide to Ethereum’s latest innovation

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Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

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Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

The new trade tariffs announced by US President Donald Trump may place added pressure on the Bitcoin mining ecosystem both domestically and globally, according to one industry executive.

While the US is home to Bitcoin (BTC) mining manufacturing firms such as Auradine, it’s still “not possible to make the whole supply chain, including materials, US-based,” Kristian Csepcsar, chief marketing officer at BTC mining tech provider Braiins, told Cointelegraph.

On April 2, Trump announced sweeping tariffs, imposing a 10% tariff on all countries that export to the US and introducing “reciprocal” levies targeting America’s key trading partners.

Community members have debated the potential effects of the tariffs on Bitcoin, with some saying their impact has been overstated, while others see them as a significant threat.

Tariffs compound existing mining challenges

Csepcsar said the mining industry is already experiencing tough times, pointing to key indicators like the BTC hashprice.

Hashprice — a measure of a miner’s daily revenue per unit of hash power spent to mine BTC blocks — has been on the decline since 2022 and dropped to all-time lows of $50 for the first time in 2024.

According to data from Bitbo, the BTC hashprice was still hovering around all-time low levels of $53 on March 30.

Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

Bitcoin hashprice since late 2013. Source: Bitbo

“Hashprice is the key metric miners follow to understand their bottom line. It is how many dollars one terahash makes a day. A key profitability metric, and it is at all-time lows, ever,” Csepcsar said.

He added that mining equipment tariffs were already increasing under the Biden administration in 2024, and cited comments from Summer Meng, general manager at Chinese crypto mining supplier Bitmars.

Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

Source: Summer Meng

“But they keep getting stricter under Trump,” Csepcsar added, referring to companies such as the China-based Bitmain — the world’s largest ASIC manufacturer — which is subject to the new tariffs.

Trump’s latest measures include a 34% additional tariff on top of an existing 20% levy for Chinese mining imports. In response, China reportedly imposed its own retaliatory tariffs on April 4.

BTC mining firms to “lose in the short term”

Csepcsar also noted that cutting-edge chips for crypto mining are currently massively produced in countries like Taiwan and South Korea, which were hit by new 32% and 25% tariffs, respectively.

“It will take a decade for the US to catch up with cutting-edge chip manufacturing. So again, companies, including American ones, lose in the short term,” he said.

Trump tariffs squeeze already struggling Bitcoin miners — Braiins exec

Source: jmhorp

Csepcsar also observed that some countries in the Commonwealth of Independent States region, including Russia and Kazakhstan, have been beefing up mining efforts and could potentially overtake the US in hashrate dominance.

Related: Bitcoin mining using coal energy down 43% since 2011 — Report

“If we continue to see trade war, these regions with low tariffs and more favorable mining conditions can see a major boom,” Csepcsar warned.

As the newly announced tariffs potentially hurt Bitcoin mining both globally and in the US, it may become more difficult for Trump to keep his promise of making the US the global mining leader.

Trump’s stance on crypto has shifted multiple times over the years. As his administration embraces a more pro-crypto agenda, it remains to be seen how the latest economic policies will impact his long-term strategy for digital assets.

Magazine: Bitcoin ATH sooner than expected? XRP may drop 40%, and more: Hodler’s Digest, March 23 – 29

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Malta regulator fines OKX crypto exchange $1.2M for past AML breaches

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Malta regulator fines OKX crypto exchange .2M for past AML breaches

Malta regulator fines OKX crypto exchange .2M for past AML breaches

Cryptocurrency exchange OKX is under renewed regulatory scrutiny in Europe after Maltese authorities issued a major fine for violations of Anti-Money Laundering (AML) laws.

Malta’s Financial Intelligence Analysis Unit (FIAU) fined Okcoin Europe — OKX’s Europe-based subsidiary — 1.1 million euros ($1.2 million) after detecting multiple AML failures on the platform in the past, the authority announced on April 3.

While admitting that OKX has significantly improved its AML policies in the past 18 months, the authority “could not ignore” its past compliance failures from 2023, “some of which were deemed to be serious and systematic,” the FIAU notice said.

OKX was among the first crypto exchanges to receive a license under Europe’s new Markets in Crypto-Assets (MiCA) regulation via its Malta hub in January 2025.

The news of the $1.2 million penalty in Malta came after Bloomberg in March reported that European Union regulators were probing OKX for laundering $100 million in funds from the Bybit hack.

Bybit CEO Ben Zhou previously claimed that OKX’s Web3 proxy allowed hackers to launder about $100 million, or 40,233 Ether (ETH), from the $1.5 billion hack that occurred in February.

This is a developing story, and further information will be added as it becomes available.

Magazine: Stablecoin for cyber-scammers launches, Sony L2 drama: Asia Express

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US court fines UAE crypto firm CLS Global $428K for wash trading

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US court fines UAE crypto firm CLS Global 8K for wash trading

US court fines UAE crypto firm CLS Global 8K for wash trading

Authorities in the US state of Massachusetts continue targeting unlawful cryptocurrency market practices, with a local court fining crypto financial services firm CLS Global.

A federal court in Boston on April 2 sentenced CLS Global on criminal charges related to fraudulent manipulation of crypto trading volume, according to an announcement from the Massachusetts US Attorney’s Office.

In addition to a $428,059 fine, the court prohibited CLS Global from offering services in the US for a probation period of three years.

CLS Global, a crypto market maker registered in the United Arab Emirates, in January pleaded guilty to one count of conspiracy to commit market manipulation and one count of wire fraud.

CLS agreed to manipulate the FBI’s “trap token” NexFundAI

The charges against CLS Global followed an undercover law enforcement operation involving NexFundAI, a token created by the FBI as part of a sting operation in May 2024.

CLS Global was among at least three firms that took the FBI’s bait and agreed to provide “market maker services” for NexFundAI, including a fraudulent scheme to attract investors to purchase the token.

In October 2024, the Securities and Exchange Commission announced fraud charges against CLS and its employee, Andrey Zhorzhes. The US securities regulator also filed complaints against two other NexFundAI manipulators, Hong Kong-linked ZM Quant Investment and Russia-linked Gotbit Consulting.

CLS Global’s profile

According to CLS Global CEO Filipp Veselov, the company was founded in 2017 to fill in a “huge gap in the market for high-quality market-making solutions and trading consulting.”

Prior to CLS, Veselov worked at the Russian cryptocurrency exchange platform Latoken, which is advertised as a “global digital asset exchange” and has about 370,000 followers on X.

The CLS team also includes chief revenue officer Pavel Singaevskii, who previously served as sales manager at Stex, a crypto platform that reportedly ceased operations without warning in 2023.

US court fines UAE crypto firm CLS Global $428K for wash trading

Source: CLS Global

According to CLS Global’s X page, the platform continues operating and has more than 110,000 followers at the time of publication.

How much wash trading is in crypto?

Wash trading is an illegal practice involving artificially inflating trading volume by repeatedly buying and selling the same asset, generating a misleading perception of demand.

According to a January 2025 report by the US blockchain analytics firm Chainalysis, the crypto market has at least $2.6 billion in estimated wash traded volumes, or just about 2% of total daily crypto trading volumes, as reported by CoinGecko.

US court fines UAE crypto firm CLS Global $428K for wash trading

Estimated wash trade volume in crypto. Source: Chainalysis

Related: Russian Gotbit founder strikes $23M plea deal with US prosecutors

Some studies indicate that wash trading makes up a bigger share of the crypto market.

In 2022, the US National Bureau of Economic Research reported that illegal wash trading may account for as much as 70% of average trading volumes on unregulated exchanges.

Magazine: Financial nihilism in crypto is over — It’s time to dream big again

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