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Quantum threat to Bitcoin is real, but manageable, according to Wall Street broker Bernstein

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Quantum computing could break Bitcoin sooner, says Google

Wall Street broker Bernstein said the rise of quantum computing poses a credible but manageable threat to Bitcoin and the broader crypto ecosystem, as recent breakthroughs compress timelines for potential attacks on modern cryptography.

Advances such as Google Quantum AI’s reported reduction in qubit requirements suggest the risk is no longer a distant, decade-long concern, the broker noted. Still, the firm cautioned that scaling quantum systems to the level needed to break widely used encryption remains a complex, multi-step challenge.

“Quantum should be seen as a medium to long term system upgrade cycle rather than a risk,” analysts led by Gautam Chhugani said in the Wednesday report.

Quantum computing uses the principles of quantum mechanics rather than classical physics. Instead of binary bits, it relies on qubits that can exist in multiple states at once, a property known as superposition, allowing many possibilities to be processed simultaneously.

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Combined with entanglement, this enables quantum systems to solve certain problems, such as breaking encryption, far more efficiently than classical computers.

Quantum computers could eventually weaken cryptographic systems like elliptic curve encryption, which underpin crypto wallets, by solving problems beyond the reach of classical machines. However, the report said the threat spans industries from finance to defense and should be viewed as a manageable, long-term risk rather than an existential one for Bitcoin.

Exposure is concentrated in roughly 1.7 million BTC held in older, “legacy” wallets, while newer practices and protocols reduce vulnerability. Bitcoin mining, which relies on SHA-based hashing, remains effectively secure even in advanced quantum scenarios, the broker said.

Bernstein expects the crypto industry to have sufficient time, around three to five years, to transition toward post-quantum cryptography, with upgrades such as new wallet standards, reduced address reuse and key rotation already under discussion.

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One recent academic paper said that attacking the Bitcoin blockchain through quantum mining would demand the energy output of a star.

Read more: Attacking bitcoin mining with a quantum computer would require the energy of a star, academics say

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Iran wants tolls paid in bitcoin for Strait of Hormuz passage

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Iran wants tolls paid in bitcoin for Strait of Hormuz passage

Iran told tanker operators on Wednesday that they must pay bitcoin (BTC) to pass through the Strait of Hormuz.

The use of BTC, mentioned by name by Hamid Hosseini, a spokesman for the country’s oil exporters’ union, ensures payments “can’t be traced or confiscated due to sanctions,” even though the first part of that quote is certainly inaccurate.

Moreover, there will be “a few seconds” to pay, according to the spokesman.

All BTC can be traced on-chain, and the US Treasury has sanctioned Iranian BTC wallet addresses since at least 2018.

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Even more embarrassingly, the spokesman claimed that BTC payments will complete within seconds, even though BTC transactions normally require several minutes to settle.

Anyway, Hosseini claims that oil tankers will somehow email Iranian authorities about cargo, submit to an inspection, and then pay a toll of $1 per barrel of oil in BTC.

FT published the news at 8:57am New York time. Whether on that news or for unrelated reasons, BTC rallied from $72,000 to $72,865 within 20 minutes. BTC then retraced that rally entirely, dipping back below $92,000 within half an hour.

Bitcoin price chart, 8:57am-11:57am New York time today. Source: TradingView

Prior to the news last night, BTC rallied substantially, gaining about 6% on ceasefire discussions between the US and Iran.

Iran’s bitcoin rationale is half-right

Although BTC is easy to trace, the unfreezable half of Hosseini’s logic is technically defensible. 

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Unlike BTC, most major stablecoins can be frozen. Blockchain analytics firm Elliptic found Iran’s central bank accumulated over $500 million worth of tether (USDT) in 2025. In June of that year, Tether froze $37 million in wallets linked to the central bank. 

In March 2026, Tether froze another $6.7 million tied to IRGC and Houthi-linked networks. 

Unlike BTC which settles over several minutes, USDT can settle within seconds. The stablecoin served as Iran’s preferred oil settlement rail, until Tether started blacklisting its wallets. 

Read more: US hits Iran’s ‘shadow banking’ network in Hong Kong, UAE

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Sanctioning Iranian BTC wallets

Although no company can freeze BTC, the US Office of Foreign Assets Control (OFAC) sanctioned Iranian BTC wallets on ransomware allegations in November 2018.

Since then, Chainalysis, Elliptic, and TRM Labs have built entire product lines around mapping Iranian-linked BTC and crypto flows.

In January 2026, OFAC designated UK-registered exchanges Zedcex and Zedxion for processing crypto assets for Iran’s IRGC, attaching crypto wallet addresses to that action.

According to the Chainalysis 2026 Crypto Crime Report, IRGC-linked addresses accounted for more than 50% of all value flowing into Iran’s crypto ecosystem in Q4 2025.

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Over the full year, those addresses received at least $3 billion.

Any company that does pay the toll without US approval faces another problem. US, EU, and UK sanctions generally prohibit transactions with IRGC-affiliated entities. 

OFAC’s interpretation of the International Emergency Economic Powers Act applies equally to BTC transfers as it does wire payments.

Specifically, a 2022 federal case in Washington DC established precedent that advertising crypto services as “designed to evade US sanctions” can serve as evidence of a sanctions-evasion conspiracy.

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Securitize Partners with Currenc Group to Tokenize Shares on Ethereum and Solana: Securitize

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Securitize Partners with Currenc Group to Tokenize Shares on Ethereum and Solana: Securitize

Tokenization firm Securitize has partnered with Nasdaq-listed Currenc Group to tokenize its ordinary shares on Ethereum and Solana blockchains.

Securitize announced a partnership with Currenc Group (Nasdaq: CURR) to tokenize the company’s ordinary shares on Ethereum and Solana. The move comes as Securitize was recently named the first digital transfer agent in the NYSE’s onchain securities initiative. Tokenized shares will enable 24/7 trading, lower costs, fractional ownership, and DeFi integration.

The partnership represents a continuation of efforts to bring traditional equities onto blockchain infrastructure. Securitize’s designation as a digital transfer agent by the NYSE signals institutional momentum behind onchain securities infrastructure. The tokenization of Currenc Group’s shares demonstrates practical implementation of blockchain-based equity trading for publicly listed companies.

Sources: Securitize (Twitter/X)

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This article was generated automatically by The Defiant’s AI news system from publicly available sources.

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Is ZEC Breakout a Bull Trap?

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Is ZEC Breakout a Bull Trap?

Zcash (ZEC) rallied after President Donald Trump announced a two-week ceasefire deal with Iran, leading gains in a broader relief rally across global risk markets.

Key takeaways:

  • A 2021-style fractal warns ZEC price could fall 40% toward in the coming weeks.

  • Over $50 million in long leverage sits below current prices, leaving ZEC exposed to a possible crash.

ZEC/USD vs. XMR/USD and DASH/USD price performance in the past five days. Source: TradingView

ZEC rally risks becoming a 2021-style bull trap

The privacy coin rose over 30% in the past 24 hours to $336.50 on Tuesday, its highest level since January. Its top rivals also climbed, with Monero (XMR) up 3% and Dash (DASH) up 8%.

ZEC’s latest rebound is starting to resemble the setup that followed its 2021 peak. Back then, it entered a prolonged bear cycle after peaking near $392.

During this correction, ZEC underwent multiple sharp bounces after testing its 0.238 Fibonacci retracement line at around $85, only to see its upside momentum weakening underneath a descending trendline resistance.

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ZEC/USD weekly chart. Source: TradingView

Zcash’s current setup looks similar. Its 0.236 Fib level near $197 is again acting as strong support, while a descending trendline continues to cap upside attempts.

ZEC/USD weekly chart. Source: TradingView

A continued rebound could lift ZEC toward its 0.5 Fibonacci retracement level near $370, which also lines up with the descending trendline resistance.

But the rally could lose steam if bulls fail to break above the trend line, raising the risk of a pullback toward the $197–$200 support zone. In that case, the current move may start to look like the 2021 bull trap setup.

Related: Zcash devs raise $25M from major VCs months after ECC split

Conversely, a decisive breakout above the trendline may trigger a falling wedge breakout setup, with a measured upside target at around $1,200.

ZEC/USDT weekly price chart. Source: TradingView

In the past, multiple analysts, including BitMEX co-founder Arthur Hayes and Alphractal CEO and Co-Founder Joao Wedson, have predicted the ZEC price to reach $1,000 or higher.

ZEC liquidation data raises downside risks

Zcash’s liquidation heatmap points to greater downside risk in the coming weeks.

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For instance, Binance’s ZEC/USDT contracts may see $3.81 million worth of cumulative short liquidations if the price rallies above $380 in the coming weeks.

Binance ZEC/USDT liquidation heatmap (1-week). Source: CoinGlass

In comparison, roughly $50.56 million in cumulative long positions could be wiped out if the price drops below $260.

Markets tend to move toward zones where many leveraged positions are concentrated. In ZEC’s case, the larger concentration sits below the current price, where long liquidations far exceed potential short liquidations above.

The heatmap also highlights $305–$306 as the largest single liquidation pocket, with about $1.76 million in leveraged positions clustered in that range. That makes it an important near-term level to watch.