Bitchat, Jack Dorsey’s Bluetooth messaging app, dominates the French App Store. What the rankings say, what the app can do, and what remains to be verified.
The Bitcoin network regains computing power above 1 zettahash per second after several months below this threshold. This recovery occurs as several major mining companies redirect their investments towards artificial intelligence and high-performance computing. Yet, mining revenues are decreasing while the network difficulty is increasing. Between more efficient hardware, increased competition, and weakened margins, miners now have to maintain their activity in a more demanding economic environment.
Ethereum researchers are now using artificial intelligence agents to analyze the unexpected effects of Glamsterdam on existing contracts. This initiative comes after the postponement of the planned test on Hoodi, but it does not mean that the issue is already resolved.
A Bitquery study reveals a significant gap between the gains displayed on Pump.fun and the profits actually derived from trading. Out of 752.5 million dollars analyzed, only 193.9 million come from purchases followed by sales. The rest is mainly explained by token transfers and suspicious operations.
The bitcoin market also evolves according to the financing choices of companies that accumulate it. Strategy and Strive use preferred shares to attract investors seeking regular income. However, the dividends associated with these securities create recurring expenses that limit their purchasing capacity. Between cryptocurrency acquisitions, share buybacks, and cash reserves, these companies must now find a financial balance to continue their strategy without weakening their commitments.
Bitcoin begins a decisive week around 80000 dollars. It simultaneously concentrates the average purchase price of corporate treasuries, significant coverage in the options market, and the last technical defense before a deeper decline zone.
Russia now has 270,000 accounts in digital rubles, less than two months after the national launch of its central bank digital currency (CBDC). Elvira Nabiullina revealed this figure on October 23, specifying that demand exceeded expectations. Moscow is already preparing new services, including recurring payments from November and offline transactions in 2027. However, the number of actually active users remains unknown.
On 3 September 2026, OpenAI launched GPT-6 Astra and its president Greg Brockman closed the presentation with "Welcome to the AGI era." The same day, ARC Prize, the organization that runs the ARC-AGI-3 test, measured the model at 99.9% in its best configuration, against 30% for the previous top score. Within seven weeks, Google answered with Gemini 4 Argon, Anthropic with Claude Fable 5.1 and Opus 5.5, Mistral with a 1-trillion-parameter model, and Qubic published a score obtained without a single graphics card. This comparison ranks seven systems on what can be checked: published scores, prices, openness, compute and governance.
After the alert on the Keystone site leak on October 24, six major cold wallet brands have now been hit by hardware flaws or data breaches in 2026. An unprecedented crisis of confidence is shaking the crypto ecosystem.
Bitcoin enters November under pressure after losing more than 3.5% since the beginning of October. Outflows recorded by ETFs, the rise of the risk of US rate hikes, and the surge in oil prices constitute its three main tests.
The Argentine judiciary has just cleared Javier Milei in the LIBRA crypto scandal. On October 23, federal judge Marcelo Martínez de Giorgi pronounced a dismissal in favor of the president, his sister Karina, and nine other people. After 20 months of investigation, the magistrate considers that no criminal fraud was established. An unexpected decision in a case marked by a 95% token crash and nearly 100 million dollars withdrawn by a few wallets.
The cryptocurrency market is going through a challenging period, between persistent inflation, geopolitical tensions, and uncertainties about U.S. rates. In its weekly analysis, Coinbase highlights a significant shift in demand sources, as traditional buyers lose influence. U.S. spot exchange-traded funds now play a central role in supporting bitcoin. However, several indicators show that this demand remains fragile and that the price could retest lower levels.
The XRP Ledger now has 8.24 million addresses holding a balance, an unprecedented level despite recent XRP volatility. This growth confirms the network's expansion, but it is not yet enough to trigger a sustainable price recovery.
The Swedish government offices cut access to ChatGPT and Claude on their staff computers from Monday, October 26. Only Microsoft Copilot remains authorized, after a security review. Except that Copilot can run Claude models.
Bitcoin plunged to $79,220 on Binance this Saturday, October 24, before rebounding around $80,200. New threats from Donald Trump against Iran and the evacuation of American personnel in the Middle East accompanied this drop. The crypto market recorded about $841 million in liquidations over 24 hours, including $697 million in long positions. Bitcoin also remains below its 50-day moving average.
Operation Serengeti III marks a new stage in the fight against cybercrime in Africa. Coordinated by Interpol, this international campaign led to 1,462 arrests and recovered over 105 million dollars. In Nigeria, an investigation notably revealed the use of crypto transactions to launder part of the funds from an investment scam. Authorities also targeted fraudulent networks and illegal mining facilities.
Bitcoin dropped below 80000 dollars this Saturday, dragging the rest of the crypto market down with it. Geopolitical concerns in the Middle East accelerated a movement already driven by liquidations, the retreat of institutional investors, and weak liquidity during the weekend.
Aave has just changed the borrowing conditions of USDT on its Ethereum V3 Core crypto market. Since October 21, rates increase faster as soon as 92% of liquidity is borrowed, compared to 94% previously. At a utilization level of 94%, the theoretical rate thus goes from 4.5% to 7%. The decentralized finance protocol aims to preserve more funds available for withdrawals.
Spot ether ETFs lost $1.2 billion in October, their worst month of the year. At the same time, Bitmine is approaching the 5% cap on the supply it set for itself. The two buyers driving demand are withdrawing together.
Predictive contracts linked to cryptos generated a weekly record volume of 2.7 billion dollars on Kalshi and Polymarket. Very short-term bets on the bitcoin price concentrate most of this activity, now surpassing that of all categories except sports.
JPMorgan adds Solana to its institutional crypto strategy. Since October 22, its two tokenized money market funds MONY and JLTXX have been accessible on the network to qualified American investors via Morgan Money. The products also remain available on Ethereum. The change therefore concerns less the creation of new funds than a multichain extension of already operational financial products.
Artificial intelligence opens up new possibilities, but it also raises questions about the security of cryptocurrencies. Billionaire investor Chamath Palihapitiya believes an AI-related cyberattack could one day compromise bitcoin and erase its value. This prediction renews the debate on the resilience of its cryptographic system against new technologies. At the same time, the investor explains why he now favors ETFs to gain market exposure without directly holding digital tokens.
Benyamin Netanyahu asked his advisors to prepare a blockchain-based plan to reduce Israel's vulnerability to potential banking sanctions. However, the Prime Minister did not specify the cryptos considered, the project leaders, or the timeline.
Thursday, October 22, American bitcoin ETFs experienced $635.49 million in net outflows, their heaviest single-day loss since June 25. BlackRock and Fidelity account for nearly three-quarters of the withdrawals. In one day, this movement erased nearly 60% of the inflows recorded over the previous three sessions.
Tether is accused of having paid $6.3 million to a senior White House adviser to shape stablecoin laws to its advantage. The US Senate has just launched an official investigation.
Minterest has closed its site but keeps its contracts active. Immutable X and Polygon zkEVM have migrated the funds. Blast and Abstract announced their closure in 2026. What remains recoverable.
Gold falls below $4,000 as markets suffer a wave of selling that affects several precious metals. On Thursday, losses accelerated in a context marked by rising oil prices and inflation fears. Even with bond yields declining, this safe haven did not attract investors. This drop raises questions about the strength of the upward trend and occurs as Peter Brandt directly challenges Peter Schiff.
Benjamin Cowen observes that several bitcoin rebounds have lost momentum around the 21st of each month since August. The analyst now envisions a new low in mid-November, but this pattern is based on few observations and does not constitute a statistical rule.
Bitcoin Core changes its way of handling certain vulnerabilities because of artificial intelligence. Developers now acknowledge that a bug can be so easy to find that a simple prompt sent to an AI model is sometimes enough. In this case, keeping the flaw secret for several months no longer really protects users. Bitcoin Core prefers to fix faster and publish the security notice at the same time. No new critical Bitcoin bug is announced. It is the defense policy that evolves.
China sets 2030 as the deadline for its national blockchain network. Its 15th informatization plan specifies priority regions and targeted uses, from finance to logistics. However, Beijing does not question its ban on crypto-related activities.