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citibank

Citigroup: Breakthroughs in quantum computing are accelerating, Bitcoin faces excessive quantum risks

According to CoinDesk, Citibank stated in its latest report that the progress of quantum computing technology is faster than the market expected, accelerating the potential security risks faced by cryptocurrencies and internet infrastructure, with Bitcoin being considered one of the assets with the "greatest risk exposure." The report points out that the ECDSA elliptic curve cryptography system currently used by Bitcoin could theoretically be cracked by sufficiently powerful quantum computers. In the future, attackers may be able to derive private keys from publicly disclosed public keys, allowing them to forge transactions and steal assets.Citibank analyst Alex Saunders stated that due to its relatively conservative governance mechanism and slow protocol upgrade speed, Bitcoin is more difficult to quickly complete quantum-resistant upgrades compared to PoS networks like Ethereum. The report estimates that there are currently about 6.5 million to 6.9 million BTC at potential quantum risk due to exposed public keys, accounting for about one-third of the current circulating supply, valued at approximately $450 billion at current prices. This includes some early P2PK addresses and wallets believed to belong to Satoshi Nakamoto.Citibank also warns of the "Harvest Now, Decrypt Later" risk, where attackers currently collect encrypted data and wait until future quantum computing power matures to decrypt it all at once.However, Citibank remains optimistic about the long-term adaptability of the cryptocurrency industry, believing that blockchain can still migrate through post-quantum cryptography and protocol reconstruction in the future. The report mentions that the BIP-360 and BIP-361 upgrade proposals currently being discussed by the Bitcoin community are worth paying attention to.

Former Citibank crypto research head: Arthur Hayes missed 3 key points in the FUD about Tether

In response to Arthur Hayes' doubts about USDT operations, former Citibank crypto research head Joseph stated on the X platform that @CryptoHayes' analysis missed several key points:Disclosure of assets ≠ total corporate assetsUSDT discloses reserves based on the "matching principle," but its undisclosed balance sheet includes equity investment income, mining operations, corporate reserves, and potential Bitcoin holdings, with remaining profits distributed to shareholders in the form of dividends.Ultra-high profit margins and equity valueTether holds $120 billion in U.S. Treasury bonds (with an annual yield of 4%), generating an annual net profit of about $10 billion starting in 2023 (with only 150 employees), making it the world's most efficient money printer;The equity valuation could reach $50-100 billion (recently planning to raise $20 billion for a 3% equity stake, with a high valuation but strong fundamentals).Comparative advantages of bank-level reservesTraditional banks maintain only 5-15% liquid assets, while USDT's collateralization rate is clearly higher.Key difference: banks have central bank lender of last resort support, while USDT relies on its own asset liquidity.Conclusion: Tether not only will not face a crisis but also controls the strongest profit engine in the crypto world.Subsequently, Tether CEO Paolo Ardoino expressed his gratitude for the support in the comments section.

Citi: The weakness in cryptocurrencies is due to a slowdown in ETF inflows and a decrease in risk appetite

According to CoinDesk, Wall Street bank Citigroup stated that although the stock market has performed strongly, the cryptocurrency market has weakened again recently, with significant liquidations in October undermining investor confidence.The sell-off has led to a decrease in risk appetite among leveraged traders and new spot ETF investors, who have pulled back their investments. Recently, the inflow of funds into U.S. spot Bitcoin ETFs has significantly decreased, weakening a key factor supporting the market's optimistic outlook.Citigroup had originally predicted that as financial advisors increased their Bitcoin exposure, ETF funds would continue to flow in, but now the momentum has stalled, and market sentiment may remain subdued.On-chain data has also added to the cautious atmosphere, with a decline in the number of large Bitcoin holders and an increase in the number of small retail wallets. The decrease in financing rates indicates that long-term investors may be selling off, and leverage demand is also weakening. Technically, Bitcoin has fallen below the 200-day moving average, which may further suppress demand. Citigroup has also linked Bitcoin's weakness to tightening bank liquidity. The report concludes that the flow of funds into spot ETFs is a key signal for observing shifts in cryptocurrency market sentiment.
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