Huang Renxun has left Beijing, and NVIDIA has not disclosed whether Huang Renxun met with the DeepSeek founder.

On March 19th, Bitget market data shows crypto-related U.S. stocks saw broad declines in pre-market trading. Key moves include: - Circle (CRCL): Down 2.16% - Coinbase (COIN): Down 1.73% - MARA Holdings (MARA): Down 1.68% - MicroStrategy (MSTR): Down 1.64% - Bitmain (BMNR): Down 1.40% - Robinhood (HOOD): Down 1.36% This rewrite uses concise, bullet-point formatting (common in U.S. financial alerts) and natural phrasing aligned with American English news conventions, while preserving all original data.

Bitcoin fell back to $70k on March 19th. On Polymarket, the odds of "Bitcoin hitting $80k in March" dropped to 17% (down from 42% the previous day). Meanwhile, the probability of Bitcoin falling to $65k in March rose to 46%, while the odds of it dropping to $60k fell to 18%.

**Crypto Market Under Pressure Amid Macro Headwinds (March 19)** CoinDesk reports Bitcoin fell to ~$70,000, Ethereum dropped to $2,160, and the broader crypto market faced downward pressure Wednesday. Two key macro bearish factors overlapped: 1. **Fed Policy**: The Federal Reserve held interest rates steady, keeping the federal funds rate range at 3.50%-3.75% and pausing its rate-cut cycle. This pushed the U.S. dollar higher and weighed on risk assets. 2. **Geopolitical Tensions**: After Israel targeted Iran’s Natanz nuclear facility, Iran struck key Gulf energy infrastructure. Brent crude rose to $114, Oman crude hit $150, and European natural gas futures surged ~25% to over $78/MWh Thursday. ### Derivatives Data - Crypto exchanges liquidated nearly $600 million in leveraged positions over 24 hours, with long positions dominating—signaling the overnight drop caught bullish traders off guard. - Total futures open interest (OI) fell 5.6% to $106.9 billion; Ethereum future

March 19, CoinDesk reported that Galaxy Digital Research Head Alex Thorn stated the quantum computing threat to Bitcoin is real but far from an existential crisis—investors should not confuse a long-term technical challenge with an imminent threat. On the threat front: A sufficiently advanced quantum computer could theoretically derive a private key from an exposed public key, enabling signature forgery and fund theft. Analysis from Project Eleven—a security firm focused on digital asset quantum risk—shows ~7 million bitcoins (valued at roughly $470 billion at recent market prices) qualify as “long-term exposed,” meaning their public keys have been exposed on-chain. However, Thorn emphasized most Bitcoin is not at direct risk now: Exposure only occurs with address reuse, custodians cutting corners, or funds stored in legacy-format addresses. On the response side: Thorn noted Bitcoin developers are advancing multiple solutions, including: - New address types relying on post-quan