· Geral
Bitcoin today (31/10): ETFs lose US$ 643M, Binance hack weighs, and whitepaper turns 18
₿ BITCOIN NOW — 31/10/2026 BTC: ~US$ 77,300 | 24h: -1.8% (CoinMarketCap; CoinGecko points to stability) | 24h High: US$ 78,647 | 24h Low: US$ 76,190 Day of pressure: Bitcoin closes October in decline, in the US$ 77 thousand range, digesting the Binance hack and the largest daily outflow from ETFs since June. On this date, Satoshi's whitepaper turns 18 years old. 📰 WHAT HAPPENED TODAY 1. ETFs lose US$ 643 million in one day Bitcoin spot ETFs in the US had a net outflow of US$ 643M on Friday (30), erasing four sessions of inflows, with IBIT (BlackRock) and FBTC (Fidelity) leading. The week closed negative at US$ 202M. 💡 Why it matters: ETF flows are the main barometer of institutional demand. Source: CryptoSlate (Farside data) 2. Binance hack: 18,270 BTC stolen The BTC taken (~US$ 1.4B) exceeds what Tesla holds and doubles El Salvador's reserve, in a total attack of ~US$ 6.3B. TRM Labs attributes it to the North Korean group TraderTraitor; Binance froze ~US$ 3B, keeps withdrawals suspended, and promises proof of reserves on 11/2. 💡 Why it matters: it's the largest hack in the sector and continues to shake confidence and price. Source: CoinDesk 3. Nasdaq company may sell US$ 450M in BTC Next Technology Holding (NXTT) authorized selling ~5,833 BTC, citing the Binance hack and quantum computing risks. 💡 Why it matters: the incident already influences corporate treasury decisions. Source: CoinDesk 4. Bitcoin whitepaper turns 18 years old On 31/10/2008, Satoshi Nakamoto published the document that gave rise to Bitcoin. 💡 Why it matters: milestone in the network's trajectory, today integrated into Wall Street. Source: Cointelegraph 🔗 SOURCES cryptoslate.com/bitcoin-etfs-643-million-outflows-weekly-reversal coindesk.com/markets/2026/10/31/bitcoin-stolen-from-binance-tops-tesla-s-holdings-and-is-over-twice-el-salvador-s-reserve coindesk.com/markets/2026/10/31/a-nasdaq-listed-company-may-sell-usd450-million-bitcoin-citing-binance-hack-and-quantum-fears cointelegraph.com/magazine/bitcoin-turns-18-has-the-original-rebel-grown-up