China's Ministry of Commerce warned the EU against expecting pressure to secure concessions. The EU is developing an instrument to restrict single market access, potentially closing it to Chinese products under certain conditions. European Commission President Ursula von der Leyen confirmed the plan, which needs support from 13 of 27 member states. Trade tensions remain high.

A quantum breakthrough at Google has renewed concerns over the encryption protecting Bitcoin. CEO Sundar Pichai detailed the progress made by the company's Quantum AI team, which used the Willow processor to push forward a technique known as magic state cultivation. The research was documented in the journal Science. Experimental records show the new method reduced error rates by a factor of 40 compared with conventional quantum state preparation. The team also reached a record logical fidelity of 99.99% in specialized quantum states known as T states. Announcing the result on X on Oct. 15, 2026, Pichai described it as "some magical progress towards magic state in quantum," noting that the team had demonstrated magic state cultivation on physical hardware for the first time. Technical implications for modern cryptography Networks such as Bitcoin and Ethereum rest on elliptic curve cryptography to validate transactions and secure digital signatures. Technical documentation suggests that a quantum computer with enough processing power and error correction could, in theory, break these mathematical algorithms. Developers and cybersecurity experts are examining how such architectures might reshape current cryptographic standards. Industry analysts say the advance removes one of the toughest obstacles to building large-scale, fault-tolerant quantum systems. Published reports make clear the development poses no immediate threat to the operational security of digital assets in circulation as of late October 2026. Google has yet to deploy the method at an industrial or practical scale that would allow it to compromise complex cryptographic protocols in real production environments. Specialists point out that the shift toward post-quantum cryptography standards remains a priority for blockchain developers. Quantum computing is a rapidly evolving field of research whose effects will demand coordinated updates to cybersecurity protocols worldwide. The announcement adds to a series of milestones recorded across the quantum computing industry in 2026. The technical community continues to monitor scientific publications and hardware error-correction progress to gauge how quickly these technologies are advancing. Operators of decentralized networks keep weighing recommendations from cryptography experts to anticipate any long-term vulnerabilities.

The Nasdaq 100 closed the week down 5.5%, marking its largest weekly decline since April 2025. The index now sits 7% below the high it reached just 10 days ago.

XRP draws $184M as traders bet against the crash. CryptoQuant analyst Darkfost flagged the activity on Binance after XRP fell below $1. 30.   The rebound that followed was about 5%.

Newly filed court records show Telegram provided a user's phone number, unique ID and IP address, along with an exact connection timestamp. Telegram called the disclosure voluntary and declined to recognize U.S. jurisdiction over the company. The case comes amid Telegram's expanded data-sharing policy following Pavel Durov's 2024 arrest.

Morgan Stanley hasn’t recorded a single day of ETH outflows in 20 days. Arkham reports that the firm’s MSSE ETF bought $4. 2M of ETH over that stretch.

El Salvador added to its Strategic Bitcoin Reserve with a fresh bitcoin purchase today. The country's total holdings now stand at 7,807 BTC.

Glassnode data shows realized losses by long-term Bitcoin holders peaked on Aug 12 and have since dropped 85%. This group has largely stopped selling at a loss, and coins moving on-chain are increasingly sold at a profit. In 2022, the realized loss peak came weeks before the cycle low.

Starknet's STRK token surged 210% in four weeks, closing at $0.1232 on October 11. But network activity fell sharply, with active addresses down 63% and new wallets down 81% by October 13. The rally was driven by Starknet's consideration of becoming a Layer 1 blockchain and a plan for quantum resistance by 2027. Large holders hold 7.09 billion tokens. 127 million STRK tokens unlocked October 15.