Ethereum's Fusaka upgrade activated on the Hoodi testnet on October 29, 2025, at 18:53 UTC, completing the final testing phase before mainnet deployment on December 3. The upgrade will increase the block gas limit from 30 million to 150 million units and expand blob capacity through Peer Data Availability Sampling. Core developers confirmed the timeline during the ACDC #165 call, following earlier activations on Holesky and Sepolia testnets.

Sequans Communications transferred 970 Bitcoin valued at approximately $111 million to Coinbase, data show. The move marks the semiconductor firm's first significant outbound transaction since launching its Bitcoin treasury strategy in July. The company retains 2,264 BTC worth around $255 million.

Trading volume for USD stablecoins against the Argentine peso reached approximately $13.4 million on Sunday, October 27, 2025, according to Facundo Werning, LATAM head at stablecoin issuer Agora. Crypto platform Lemon recorded its third-highest single-day volume, with stablecoin activity peaking at 9 PM local time when election results were announced. The crypto dollar exchange rate fluctuated between 1,572.50 ARS at 2 PM Sunday and 1,350 ARS by 10 AM Monday.

U.S. Congressman Ro Khanna announced plans to introduce legislation prohibiting the president, members of Congress, and their immediate families from trading, owning, or creating cryptocurrencies. The proposal follows President Donald Trump's October 24 pardon of Binance founder Changpeng Zhao, who served four months for anti-money laundering violations. Khanna stated the legislation would extend existing stock trading restrictions to digital assets, calling the pardon "blatant corruption."

Canary Capital filed 8-A registration forms for Litecoin and HBAR exchange-traded funds on October 27, 2025. Bloomberg senior ETF analyst Eric Balchunas indicated both funds carry a 0.95% management fee and could launch this week despite the ongoing U.S. government shutdown.

Canada is accelerating stablecoin regulatory measures as Finance Minister François-Philippe Champagne prepares the federal budget for November 4. Industry leaders warn that regulatory delays could drive Canadian capital toward U.S.-backed digital assets, undermining domestic monetary control and increasing economic reliance on American financial infrastructure. Over 99% of current stablecoin value is denominated in U.S. dollars, with daily transactions reaching approximately US$2.7 billion.

Tether Holdings expects to generate $15 billion in profit by year-end, with CEO Paolo Ardoino attributing the performance to reserve holdings including cash and short-term U.S. government bonds. The USDT issuer operates with a 99% profit margin and has approximately $183 billion in circulation. The company is in discussions to raise $20 billion for about 3% equity, potentially valuing it at $500 billion.