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bitcoin

The concept of Bitcoin was first proposed by Satoshi Nakamoto on November 1, 2008, and officially came into existence on January 3, 2009. Bitcoin is a peer-to-peer, decentralized cryptocurrency that does not rely on a central authority for issuance, but rather completes transactions through a proof-of-work consensus mechanism on the blockchain, commonly known as "mining." Bitcoin uses a distributed database of P2P network nodes to confirm, verify, and record currency transactions, with a total issuance of 21 million coins.
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QCP Capital: The current surge in Bitcoin is mainly driven by spot funds, but the current market structure still has vulnerabilities

QCP Capital released the latest market analysis stating that BTC has broken through the previous trading range of $82,500 to $85,700 that lasted for a week, reaching a high of $86,913 during the day, the highest since September 23. It is currently trading around $85,900, up 14.6% from the low of $74,968 on September 15. QCP pointed out that during this round of increase, the annualized funding rate for perpetual contracts was only 5.4%, indicating that the market was mainly driven by spot funds rather than leveraged trading. QCP believes that this round of BTC's rise diverges from traditional macro market signals. In September, the yield on the 30-year U.S. Treasury bond rose to 5.62%, and the 10-year yield reached 5.29% at one point, while gold recorded its worst month of the year. Although rising real interest rates typically put pressure on gold and risk assets, BTC still rose.QCP believes that this market trend is more consistent with concentrated capital trading driven by institutional fund inflows, regulatory catalysts, and technical improvements, rather than purely a currency depreciation trading logic. Regarding institutional funds and regulatory factors, the U.S. Bitcoin spot ETF recorded net inflows of approximately $3.5 billion and $2.6 billion in August and September, respectively. QCP noted that the innovative exemption policy released by the U.S. SEC on September 17 provided a new regulatory catalyst for the market, but since the CLARITY Act failed to pass in the Senate earlier, market structure legislation may be delayed until 2027. Therefore, current regulatory support comes more from the administrative level, and long-term policy certainty remains limited.In the options market, yesterday's options trading nominal amount was approximately $2.5 billion, involving 54 transactions with a nominal amount exceeding $5 million each. Among them, one client sold in batches call options expiring on October 30 with a strike price of $90,000, totaling over 4,000 contracts with a nominal amount of $346 million; at the same time, they actively bought call options with the same strike price expiring on November 27. QCP believes that this operation reflects that some traders are rolling their positions from October to November to position for the U.S. midterm elections, quarterly Treasury refinancing, and market volatility around the December Federal Reserve meeting.On the macroeconomic front, the Federal Reserve will hold a monetary policy meeting from October 27 to 28. QCP stated that after Federal Reserve official Williams said there was no need to rush to adjust policies further, and with the August core PCE coming in below expectations, market expectations for maintaining interest rates in October have warmed. However, the market still expects an approximately 80% probability of a 25 basis point rate hike in December. The U.S. non-farm payroll report for September, to be released tonight, will be an important short-term test, with the market expecting an increase in non-farm payrolls of 84,000 to 93,000, an unemployment rate holding at 4.1%, and an average hourly wage year-on-year growth rate expected to be 3%.On the technical front, the support level of $82,500 has been tested three times in the past week, while $87,400 is the location of the September high and is a key resistance for BTC to further challenge $90,000. The implied volatility term structure in the options market is in a contango state, with a 7-day implied volatility of 30.3 and a 90-day implied volatility of 37.1; the 30-day risk reversal indicator is approximately -2.5 volatility points, indicating an increase in demand for short-term put protection. QCP believes that although BTC shows resilience in a macro environment of rising real interest rates, the market is still mainly driven by capital flows and position changes, and it cannot yet be considered that macro risks have been eliminated. U.S. employment data, Treasury supply, and the intensive policy events in the coming weeks may still trigger market volatility.

first_img Tether's USDT will return to the Bitcoin network this month

According to CoinDesk, Tether's USDT will return to the Bitcoin network this month, issued through the Tether-supported infrastructure project Utexo.With a market capitalization of nearly $190 billion, USDT is the largest stablecoin in the world, originally launched on the Bitcoin Omni protocol in 2014, and later Ethereum and Tron became its main issuance networks. Tether CEO Paolo Ardoino stated on X last week, "It's home."Utexo was established in 2025 and completed a $7.5 million financing round earlier this year, led by Tether, and has obtained a commercial license to issue USDT on Bitcoin.Utexo uses the RGB protocol with client-side validation, keeping most transaction data off the Bitcoin public ledger, with ownership anchored on UTXO. Unlike the account models of Ethereum and Tron, transaction details are fully preserved off-chain between the two parties, with the Bitcoin ledger used solely for cryptographic proof of ownership.Utexo offers three main use cases: private USDT transfers, direct exchanges between native BTC and USDT, and lending with native Bitcoin as collateral, without the need for cross-chain wrapping like WBTC.Since RGB assets are ultimately anchored to Bitcoin UTXO, Utexo cannot freeze assets like Tether can freeze Ethereum addresses, but instead maintains a blacklist of UTXO related to sanctioned or illegal activities and distributes it to exchanges and other institutions, making these UTXO non-redeemable.

first_img Core Lightning warns that old version nodes are under attack and urges operators to upgrade immediately

The Core Lightning team, which develops the open-source Bitcoin Lightning Network node software, has issued an urgent alert stating that reports indicate attackers are targeting nodes that have not installed patches, urging operators still running old versions to upgrade immediately. The team stated: "Emergency security update: If you are using version 26.06.7 or earlier, please upgrade to the latest release as soon as possible."Prior to this, Core Lightning began investigating a potential issue that could affect its experimental features and, in turn, impact user funds on September 16, and approximately six days later, version 26.06.8 was released. This update not only fixed several defects but also provided patches for security vulnerabilities reported responsibly by multiple parties, thanking the Bitcoin Red Team and 12 other individuals and organizations in the release notes, while also acknowledging anonymous reporters.According to the changelog, this round of fixes covers a bug that could cause sender nodes to crash, requests that could exhaust REST interface memory, and a vulnerability that could result in user funds facing confiscation losses when closing payment channels. To provide operators with ample upgrade windows and prevent attackers from taking advantage of reverse engineering and exploitation, this version intentionally obscured some testing content. Additionally, in August of this year, the project initiated a collaborative fixing process after reviewing a large number of AI-generated general vulnerability disclosure reports, and two days later released version 26.06.7 to close confirmed vulnerabilities.

first_img Variant Fund Investment Partner: The bottom of the cryptocurrency market may have appeared in July, and three types of assets will benefit from the market recovery

Variant Fund investment partner Alana Levin stated in her market thoughts for Q4 2026 that the bottom of the crypto market likely occurred at some point in July. She wrote in early July that the bottom seemed close, with Bitcoin at $59,000, Ethereum at $1,600, and ZEC at $420. She mentioned that the question has shifted to whether the bull market is genuinely starting or if it's a false rally, and which projects will benefit the most in the early bull market, assuming the market is in the early stages of a new crypto bull market.Levin indicated that the increasingly formed consensus is that marginal funds are most likely to flow into value storage protocols as currency and protocols that can generate income. She believes Bitcoin is the dominant asset for digital value storage currently, while other competing assets may be valued based on their market capitalization relative to Bitcoin's market cap and its changes. For income-generating protocols, she expects investors to examine whether the income comes from crypto-native activities (like Pump) or traditional financial activities (like Hyperliquid), whether it persists during market downturns, and profit margins; projects with exposure to real-world assets and stablecoin growth, which are expected to attract institutional users and are still led by founders after surviving a bear market, are more likely to achieve higher multiples.She also categorized on-chain projects that can benchmark against non-crypto businesses as a third category, believing that most belong to narrative trading rather than long-term investment. Themes include routing, reasoning, computing power, data collection, and interface-related directions in artificial intelligence, and she is skeptical about whether most scenarios require blockchain; if such projects significantly outperform, she would view it as a signal of nearing the top.
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