BRAZIL'S MERCADO BITCOIN DRAINED ACROSS 10 CHAINS BEFORE BREAKFAST Brazil's biggest exchange, Mercado Bitcoin, froze deposits and withdrawals after an estimated $40M+ left its wallets across 10+ chains in about 34 minutes before dawn 🇧🇷🚨 It says the incident was "contained" and customers weren't harmed. Tether froze 4.5M USDT 🧊 #CryptoHack SOURCE: CoinDesk (Nov 2, 2026); Decrypt (Nov 2, 2026); g1/Globo (Nov 2, 2026); Crypto Briefing (Nov 2, 2026). The $40M+ figure is a security-firm estimate (Hypernative, Opsek-relayed report) and the exchange has not confirmed it.

BTCPAY ORDERS FULL SHUTDOWN AFTER HOT WALLET SWEEPS BTCPay Server told every operator to run the shutdown script after attackers drained hot wallets on versions 2.4.1 and older. Founder confirmed admin logins; latest 2.4.7 untouched. On-chain traces put losses near $1.6M. Source: on-chain. #Bitcoin $BTC 🚨💸 SOURCE: CoinDesk / BTCPay official, Nov 1–2, 2026

🚨 JUST IN: 🇧🇷 Brazil’s largest crypto exchange, Mercado Bitcoin, suspends deposits & withdrawals after a confirmed security incident. Security firms flag ~$40M+ drained across 10+ chains (ETH, BTC, SOL & more). ✅ Exchange: No customer losses, no data breach. Plans to absorb the hit. ❄️ Tether froze $4.5M USDT. 🔍 Still investigating & tracking funds. No reopening time yet. ☹️🔐 #Crypto #Bitcoin #MercadoBitcoin #Hack

$416M OWED TO SAVERS, $88.89 LEFT IN THE DRAWER One whale pulled $44M out of Jupiter Lend's USDC pool and took 99.94% of its spare cash 🐋 The next afternoon, savers owed $416.1M could withdraw $88.89 total. Bitquery says the same wallets parked USDC across midnight on 471 nights 🕛💵 Cash came back. $USDC SOURCE: Bitquery investigation (Oct 30, 2026), CryptoSlate (Oct 31, 2026), The Token Press (Nov 1, 2026)

🚨 URGENT: BTCPay Server Hot Wallets Under Attack 🚨 BTCPay Server is warning that hot wallets on self-hosted instances are being swept by unauthorized attackers. 💸🔥 Official advice: Shut it down immediately Run ./btcpay-down.sh and keep it offline until the investigation finishes. 🛑 This is active right now (Nov 1, 2026). No patch details yet — treat every instance as at risk. ⚠️ Self-custody only works if the keys stay yours. Check your setups. 🔐 #Bitcoin #BTCPayServer #CryptoSecurity

RETIRED ROBOT STILL HAD THE VAULT KEYS, TOOK 8.6 BTC Troves retired its old rebalancing contract but forgot to take away its permissions 🔑 Someone used it to drain 8.6 BTC from the xWBTC/WBTC vault. The team's on-chain offer: give it back and keep 1 WBTC 🤖💸 Always collect the badge at the retirement party. #BTC

HARDWARE WALLET ALLEGEDLY SHIPS WITH BONUS 4G SPY BOARD Trezor says a user reported a Safe 5 from Malaysian reseller CryptoBilis with a bonus board inside: cellular module, antenna, and an alleged habit of reading your seed phrase off the screen 📡😬 Bought there since March? Move funds now. #Trezor Cold storage, now with 4G 🥶 SOURCE: Protos (Oct 30, 2026); Decrypt (Oct 30, 2026); The Block (Oct 30, 2026); Trezor official blog (Oct 30, 2026). The implant is a user report that Trezor calls credible but hasn't examined in its lab yet. No lost funds have been reported, and Trezor found no tampering in four other CryptoBilis units it checked.

Halloween 🎃 Bitcoin update Bitcoin is currently trading around $77,400. While markets remain volatile, BTC continues to hold this level on Halloween. The long-term thesis stays intact for those focused on fundamentals rather than short-term noise. No tricks — just price action and time in the market. #Bitcoin #BTC #Halloween

CZ DENIES SECRET SHIBA INU "RIKI": "NEVER OWNED ONE"CZ says he has never owned a Shiba Inu and has no idea who "Riki" is 🐕🚫 A viral tale of his rent-free Tokyo pup got tied to $SHIB anyway. His real dog is a Belgian Malinois named Broccoli 🥦 The dog was fake. The engagement was real 📈 SOURCE: https://t.co/efjadsZ58A (Oct 29, 2026); BSC News (Oct 29, 2026), citing 36Crypto and COINOTAG

TREZOR SAFE 5 FROM RESELLER REPORTED WITH SPY CHIP Trezor warns anyone who bought a Safe 5 from reseller CryptoBilis since March to move funds after an Indonesian buyer reported an extra circuit board with a cellular module between the main board and screen—allegedly reading the display (including seeds) and transmitting when powered. Device not yet examined; no losses reported. 🛰️🔐 $BTC SOURCE: Trezor official blog + Decrypt/The Block, Oct 30 2026