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20 Jan 2026, 06:53
Bitcoin price today: down to $90k with Trump-Greenland spat in focus

20 Jan 2026, 06:50
Citi flags risk of repeated BOJ hikes amid weak yen

Citigroup’s Head of Markets in Japan, Akira Hoshino, has asserted that there is a high likelihood that the Bank of Japan (BoJ) will raise interest rates by 300 basis points this year, doubling the current level if downward pressure on the yen persists . To further elaborate on this point, the Citigroup executive noted that if the dollar surges past ¥160, the BoJ might be forced to raise the overnight call rate by 25 basis points to 1% come April. Moreover, Hoshino noted the possibility of another identical increase in July and a third hike before December 31st of this year if the Japanese Yen continues to perform weakly. His remarks sparked heated debates among individuals who demanded a clearer explanation of Hoshino’s findings . Responding to this request, the industry executive decided to break this argument down for better understanding, noting that the Japanese yen is declining sharply due to negative real interest rates, citing a situation in which yields are significantly lower than inflation . Afterwards, Citigroup’s Head of Markets urged the central bank to take note of the matter and find suitable solutions to address the situation completely. However, Hoshino alleged that this will only be successful if the BoJ is interested in shifting the exchange rate pattern. Inflation becomes a heated discussion among BoJ officials Hoshino’s insights on interest rates are supported by more than thirty years of specialized market knowledge. His insights covered important aspects of Japan’s monetary policy, including how exchange rates are treated as key predictors of this policy. On the other hand, reports highlighted that officials at the central bank have shifted their focus to the impact of the yen on inflation, as consumers experience high levels of frustration due to price hikes. Analysts remained divided on the future direction of interest rates. Some anticipate that further rate increases are likely months away, while others believe they could occur sooner if the yen continues to decline sharply. Even with these conflicting views, several economists assert that a rate hike will occur every six months, with most widely anticipating the next one to happen in July. Similarly, many traders placed bets on their views of the situation in prediction markets, with results showing that a large number anticipated one rate increase in July. Apart from this, it was discovered that the likelihood of another hike in December had risen to 90% based on swap market pricing. Following interest rate predictions, Hoshino projected that the yen would fluctuate between 150 and 165 against the dollar. Reports from Tokyo unveiled that the Japanese yen traded at 158.2 after hitting its lowest level in 18 months at 159.45 last week. Meanwhile, as the situation intensified, Hoshino hinted that institutions might shift their foreign investments into domestic fixed-income assets if key interest rates, such as 10-year bond yields, rise above inflation. Such a shift is crucial, as it offers significant benefits to Citigroup’s traders and salespeople in Tokyo, who can help with this repatriation process. “Even though investors want to bring money back to Japan, there haven’t been many investment options available,” Hoshino explained. “This is one reason why the weak yen has continued for so long.” Hoshino aims to strike opportunities from Japan’s deal-making Being Citigroup’s Head of Markets in Japan, Hoshino assumed this role on March 25, 2025, after spending over five years serving as the head of foreign exchange at the firm’s local securities branch. After financial reports were collected last year, it was discovered that Citigroup’s markets division in New York accounted for about 25% of the firm’s total revenue. With these incredible results in place, Hoshino made clear his intention to enhance collaboration between his team and the investment banking group to maximize opportunities from Japan’s soaring dealmaking. He also stated that he aims to ensure that some members of his team join investment bankers in advising clients on suitable fundraising strategies during initial deal talks. “Our goal is to align supply and demand as early as possible in a transaction,” Hoshino said. “This way, the investment banking team can provide clients with the most effective financing solutions.” Don’t just read crypto news. Understand it. Subscribe to our newsletter. It's free .
20 Jan 2026, 06:50
Ethereum Network Activity Surge: Alarming Connection to Address Poisoning Attacks Revealed

BitcoinWorld Ethereum Network Activity Surge: Alarming Connection to Address Poisoning Attacks Revealed Recent data reveals an alarming surge in Ethereum network activity, potentially driven by sophisticated address poisoning attacks exploiting newly lowered transaction costs. Last week, blockchain analysts observed the creation of 2.7 million new addresses as daily transactions approached 2.9 million, nearing historical peaks. Security researchers now connect this unusual activity spike to malicious campaigns that have become economically viable following December’s Pectra upgrade, which reduced network fees by over 60%. This development presents significant security implications for the entire Ethereum ecosystem and its users worldwide. Ethereum Network Activity Reaches Critical Levels The Ethereum blockchain experienced unprecedented transaction volume during the first week of May 2025, according to verified on-chain data. Network metrics show daily transactions approaching 2.9 million, just shy of the all-time high recorded during previous market cycles. Simultaneously, address creation reached 2.7 million new wallets in a single week, representing a 400% increase over the monthly average from the previous quarter. This dramatic escalation in network utilization has prompted extensive analysis from blockchain security firms and research organizations. Several factors typically drive Ethereum network activity surges, including: DeFi protocol launches and liquidity events NFT minting waves and marketplace activity Token airdrops and governance proposals Market volatility triggering trading activity However, security researcher Andrey Sergeenkov noted distinctive patterns in the current surge. “The transaction characteristics differ substantially from organic user activity,” Sergeenkov explained. “We’re observing repetitive patterns and address creation behaviors that align more closely with automated attack vectors than genuine user adoption.” Address Poisoning Attacks Exploit Lower Gas Fees The Ethereum Pectra upgrade, implemented in December 2024, successfully reduced network congestion and transaction costs through several protocol improvements. Average gas fees decreased by more than 60% in the months following implementation, creating a more accessible environment for legitimate users and malicious actors alike. This cost reduction has inadvertently enabled large-scale address poisoning campaigns that were previously cost-prohibitive at higher fee levels. Address poisoning represents a sophisticated social engineering attack within cryptocurrency ecosystems. Attackers generate vanity wallet addresses that match the first and last several characters of a target’s legitimate address. They then send negligible amounts of cryptocurrency or tokens from these deceptive addresses to the target’s wallet. When users later attempt to send funds, they may accidentally copy the fraudulent address from their transaction history instead of verifying the complete address string. Ethereum Network Metrics Before and After Pectra Upgrade Metric Pre-Pectra (Nov 2024) Post-Pectra (May 2025) Change Average Gas Fee 45 Gwei 17 Gwei -62% Daily Transactions 1.2 million 2.8 million +133% New Addresses (Weekly) 650,000 2.7 million +315% Attack Transaction Cost $15-25 $5-9 -60% to -64% Security analysts estimate that a coordinated address poisoning campaign targeting 100,000 addresses would have cost approximately $2.5 million before the Pectra upgrade. Currently, the same campaign costs under $900,000, representing a substantial reduction in the economic barrier for large-scale attacks. This cost efficiency has likely contributed to the recent surge in malicious network activity. Technical Analysis of Attack Patterns Blockchain forensic firms have identified specific patterns distinguishing address poisoning campaigns from legitimate activity. Attack transactions typically share these characteristics: Minimal transfer amounts (often below $0.01 in value) Sequential address generation with similar prefixes and suffixes Batch transactions sent during low-fee periods Absence of smart contract interactions beyond basic transfers “The scale of these operations suggests organized groups rather than individual actors,” noted blockchain security firm Chainalysis in their latest threat assessment. “We’ve observed address poisoning campaigns targeting specific exchange users, DeFi participants, and NFT collectors with tailored approaches based on their transaction histories.” Historical Context and Evolving Threat Landscape Address poisoning attacks first emerged as a notable threat in 2021 but remained relatively limited due to high Ethereum gas fees during peak network usage periods. The 2022-2023 bear market reduced overall network activity, temporarily decreasing the effectiveness of these attacks. However, the combination of lower fees from protocol improvements and renewed market interest has created ideal conditions for resurgence. Previous cryptocurrency security incidents provide important context for understanding the current threat landscape: 2021: Initial address poisoning incidents reported, primarily targeting high-net-worth individuals 2022: Exchange wallets implemented improved address verification systems 2023: Wallet developers added poisoning detection features 2024: Pectra upgrade dramatically reduced transaction costs 2025: Large-scale poisoning campaigns become economically viable The evolution of these attacks demonstrates how protocol improvements intended to enhance user experience can inadvertently create new security challenges. This dynamic highlights the continuous arms race between blockchain developers and malicious actors in the cryptocurrency space. Impact on Users and Ecosystem Security The resurgence of address poisoning attacks carries significant implications for Ethereum users and service providers. Individual users face increased risks when managing their cryptocurrency holdings, particularly those with substantial transaction histories. Exchange platforms and wallet providers must enhance their security measures to protect customers from these sophisticated social engineering tactics. Several security best practices have gained renewed importance: Complete address verification before every transaction Using address books for frequent transactions Implementing transaction whitelists where available Regular security audits of transaction histories Industry responses have included wallet interface improvements that highlight address differences and transaction monitoring services that flag potential poisoning attempts. Major exchanges have also strengthened their withdrawal verification processes, though these measures primarily protect funds leaving exchange custody rather than peer-to-peer transfers. Regulatory and Industry Response Considerations The address poisoning surge has prompted discussions within regulatory bodies and industry organizations about appropriate responses. While blockchain’s decentralized nature limits traditional enforcement approaches, several initiatives have emerged: Industry-wide security standards for address management Educational campaigns targeting cryptocurrency users Improved analytics tools for identifying poisoning campaigns Coordination mechanisms between exchanges and wallet providers These efforts aim to balance security improvements with the decentralized principles fundamental to blockchain technology. The challenge lies in implementing effective protections without compromising user sovereignty or creating centralized points of failure. Conclusion The Ethereum network activity surge presents a complex security challenge directly linked to address poisoning attacks exploiting reduced transaction costs. While the Pectra upgrade successfully lowered barriers for legitimate users, it simultaneously enabled large-scale malicious campaigns that now threaten ecosystem security. This development underscores the continuous evolution of blockchain threats and the need for adaptive security measures. Users must exercise increased vigilance in address verification, while developers and service providers should implement enhanced protections against these sophisticated social engineering attacks. The Ethereum community’s response to this challenge will significantly influence the network’s security posture as adoption continues to expand globally. FAQs Q1: What exactly is address poisoning in cryptocurrency? A1: Address poisoning is a deception technique where attackers create wallet addresses similar to a target’s legitimate address, then send tiny transactions to make their fraudulent address appear in the target’s transaction history. This increases the likelihood that victims will accidentally send funds to the wrong address. Q2: How does the Ethereum Pectra upgrade relate to increased address poisoning? A2: The Pectra upgrade reduced Ethereum gas fees by over 60%, making large-scale address poisoning campaigns economically viable. Lower transaction costs allow attackers to poison thousands of addresses at minimal expense, enabling broader and more frequent attacks. Q3: What percentage of the recent Ethereum network activity is attributed to these attacks? A3: While exact percentages remain difficult to determine, security researchers estimate that address poisoning campaigns may account for 15-25% of the recent transaction surge, based on pattern analysis and the creation of 2.7 million new addresses in one week. Q4: How can users protect themselves from address poisoning attacks? A4: Users should verify the complete address string before every transaction, use address books for frequent transfers, enable transaction whitelists where available, and regularly audit their transaction history for suspicious incoming transfers of negligible value. Q5: Are other blockchain networks experiencing similar address poisoning surges? A5: While Ethereum currently shows the most significant activity due to its fee reduction, security researchers have observed similar tactics on other networks with lower transaction costs. However, the scale remains substantially smaller than Ethereum’s current surge. This post Ethereum Network Activity Surge: Alarming Connection to Address Poisoning Attacks Revealed first appeared on BitcoinWorld .
20 Jan 2026, 06:47
Bitcoin institutional demand remains strong: Cryptoquant

Cryptoquant found that large custody wallets accumulated $53 billion in Bitcoin over 12 months, suggesting that institutional demand for Bitcoin hasn’t gone away.
20 Jan 2026, 06:45
Bitcoin steady above $91,500 as solana, xrp and cardano nurse weekly losses

Tuesday’s crypto tape was steadier after Monday’s tariff-driven wobble, but sentiment remains cautious with altcoins still weaker than bitcoin.
20 Jan 2026, 06:45
Bitcoin Price Plummets Below $91,000: Analyzing the Sudden Market Shift

BitcoinWorld Bitcoin Price Plummets Below $91,000: Analyzing the Sudden Market Shift Global cryptocurrency markets witnessed a significant correction on Thursday, March 13, 2025, as Bitcoin’s price fell below the critical $91,000 threshold. According to real-time data from Bitcoin World market monitoring, BTC is currently trading at $90,985.98 on the Binance USDT perpetual futures market. This movement represents a notable shift in the digital asset’s recent trading pattern and has captured the attention of institutional and retail investors worldwide. Bitcoin Price Movement and Immediate Market Context The descent below $91,000 marks a crucial psychological level for Bitcoin traders. Market analysts immediately noted increased selling pressure across major exchanges. Consequently, trading volumes surged by approximately 35% during the initial decline. This price action follows a period of relative stability where Bitcoin maintained positions between $92,500 and $94,200 for seven consecutive trading sessions. Several technical indicators signaled potential weakness before this decline. The Relative Strength Index (RSI) dropped from 58 to 42 within 24 hours. Additionally, the moving average convergence divergence (MACD) histogram showed bearish divergence. These metrics collectively suggested increasing selling momentum. Market depth charts on Binance revealed thinning buy-side liquidity below $91,500, which accelerated the downward movement once triggered. Historical Volatility Patterns in Cryptocurrency Markets Bitcoin has experienced similar percentage declines throughout its history. For context, the current 3.2% drop from weekly highs mirrors typical market corrections. Historical data from CoinMetrics shows Bitcoin averages 13 similar corrections annually. However, the absolute dollar value of current movements remains substantial due to Bitcoin’s increased market capitalization. The table below illustrates recent Bitcoin price movements for comparison: Date Price Level Percentage Change Trading Volume (24h) March 10, 2025 $93,450 +1.2% $42.8B March 11, 2025 $92,880 -0.6% $38.2B March 12, 2025 $92,150 -0.8% $41.5B March 13, 2025 $90,985 -1.3% $56.7B Market structure analysis reveals three primary factors influencing current volatility: Liquidity distribution across exchange order books Derivatives market positioning and leverage ratios Macroeconomic correlation with traditional assets Broader Cryptocurrency Ecosystem Impact The Bitcoin price decline triggered corresponding movements across altcoin markets. Ethereum declined 4.1% to $6,240 during the same period. Similarly, other major cryptocurrencies showed correlated downward pressure. Total cryptocurrency market capitalization decreased by approximately 2.8% within six hours. This market-wide movement demonstrates Bitcoin’s continued role as the benchmark digital asset. Derivatives markets experienced significant activity during this period. Open interest in Bitcoin futures contracts decreased by $1.2 billion. Meanwhile, options trading volume increased by 45% as traders sought protection against further declines. The put-call ratio shifted from 0.65 to 0.82, indicating growing bearish sentiment among options traders. Funding rates across perpetual swap markets turned negative on several major exchanges. Institutional Perspective and Market Fundamentals Institutional analysts emphasize Bitcoin’s fundamental strength despite short-term volatility. The network’s hash rate remains near all-time highs at 650 exahashes per second. Active address counts continue showing steady growth, increasing 8% month-over-month. Furthermore, exchange reserves have decreased by 120,000 BTC since January, suggesting accumulation rather than distribution. Several macroeconomic factors potentially contributed to the price movement. The U.S. Dollar Index (DXY) strengthened by 0.4% overnight. Additionally, Treasury yields increased across multiple durations. Traditional equity markets showed mixed performance, with technology stocks declining while energy sectors gained. These cross-asset correlations have become increasingly relevant for cryptocurrency pricing models. Technical Analysis and Support Levels Technical analysts identify several crucial support levels below current prices. The $89,200 level represents the 50-day moving average, which has provided support during previous corrections. Below that, the $87,500 level corresponds with the 0.382 Fibonacci retracement from recent highs. Major resistance now appears at $92,800, where significant selling pressure emerged during Thursday’s session. On-chain metrics provide additional context for the current price action. The Realized Price indicator, representing the average acquisition price of all circulating Bitcoin, currently sits at $67,400. This suggests most holders remain profitable despite recent declines. The MVRV (Market Value to Realized Value) ratio decreased from 1.38 to 1.35, indicating reduced profit-taking incentive among long-term holders. Regulatory Environment and Market Structure The current regulatory landscape continues evolving across major jurisdictions. The European Union’s Markets in Crypto-Assets (MiCA) framework entered its final implementation phase this month. Meanwhile, the United States Securities and Exchange Commission recently approved additional Bitcoin-related financial products. These developments create both opportunities and uncertainties for market participants. Exchange dynamics play a crucial role in price discovery. Binance maintains approximately 42% of global Bitcoin spot trading volume. Other major platforms including Coinbase, Kraken, and OKX collectively account for another 38%. This concentration means liquidity events on dominant exchanges can significantly impact global pricing. The Binance USDT pair specifically represents the most liquid trading venue for Bitcoin globally. Conclusion Bitcoin’s decline below $91,000 represents a notable market movement within the broader context of cryptocurrency volatility. The current price of $90,985.98 on Binance reflects ongoing price discovery amid evolving market conditions. Technical indicators suggest potential support levels while fundamental metrics remain strong. Market participants continue monitoring cross-asset correlations and regulatory developments. Ultimately, Bitcoin price movements demonstrate the dynamic nature of digital asset markets as they mature within the global financial ecosystem. FAQs Q1: What caused Bitcoin to fall below $91,000? Multiple factors contributed including technical selling pressure, derivatives market positioning, and broader macroeconomic conditions. Increased selling volume on major exchanges accelerated the decline once key support levels broke. Q2: How significant is this price movement historically? The 3.2% decline falls within normal volatility parameters for Bitcoin. However, the absolute dollar value is substantial due to Bitcoin’s increased market capitalization compared to previous years. Q3: What are the key support levels to watch now? Technical analysts identify $89,200 (50-day moving average) and $87,500 (Fibonacci level) as important support zones. These levels previously provided buying interest during corrections. Q4: How did other cryptocurrencies react to Bitcoin’s decline? Most major altcoins showed correlated downward movement. Ethereum declined 4.1%, while other large-cap cryptocurrencies typically fell 3-6% during the same period. Q5: What does this mean for long-term Bitcoin investors? Short-term volatility remains characteristic of cryptocurrency markets. Fundamental metrics like hash rate and network activity continue showing strength, suggesting the long-term thesis remains intact despite price fluctuations. This post Bitcoin Price Plummets Below $91,000: Analyzing the Sudden Market Shift first appeared on BitcoinWorld .











































