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Bitcoin hits $86,455 as SEC unveils tokenized-stock exemption

Bitcoin rose 37% over 39 days to reach an eight-month high near $86,000 on Monday, according to Yahoo Finance. The rally followed Congress's failure to pass a crypto 'Clarity Act' and the SEC's announcement of a five-year 'innovation exemption' allowing tokenized U.S. stocks to trade via automated market makers on public blockchains, per CoinDesk.

Armenian national gets 24 months for role in Ryuk ransomware attacks

Karen Serobovich Vardanyan, 35, was sentenced to 24 months in prison and three years of supervised release for breaching U.S. corporate networks and deploying Ryuk ransomware between March 2019 and June 2020. He pleaded guilty in July after being extradited from Kyiv following an April 2025 arrest, with prosecutors saying he and co-conspirators collected roughly 1,610 bitcoins in ransom payments, worth over $15 million at the time, from victims including a Michigan company, a Texas school and an Oregon technology firm.

Starcloud plans to launch Bitcoin mining ASICs aboard its second satellite

Nvidia-backed space data center startup Starcloud says it will include Bitcoin mining ASICs on its Starcloud-2 satellite, set to launch later this year, according to CEO Philip Johnston. The company was originally founded to move AI data centers into orbit, leveraging constant solar power and space-based cooling, but is now adding crypto mining as a secondary use of that energy.

Starcloud plans to launch Bitcoin mining ASICs aboard Starcloud-2 in 2027

Nvidia-backed startup Starcloud says it will fly dedicated Bitcoin mining hardware on its second satellite, Starcloud-2, targeting an early 2027 launch. CEO Philip Johnston argues that ASIC chips are far cheaper per kilowatt than GPUs, and that abundant orbital solar power could make space mining economically appealing, following the company's earlier Starcloud-1 test that put an Nvidia H100 GPU into orbit.

Bitcoin climbs to its highest level since January amid broad crypto rebound

Bitcoin has surged to price levels not seen since January, extending a recent recovery across cryptocurrency markets after a difficult 2026. The rally follows months of subdued prices and comes alongside broader moves in interest rates and Treasury yields.

Bitcoin tops $85,000, its best level since January

Bitcoin surged past $85,000 on Monday morning, hitting an intraday high of $85,229 before settling near $84,256, a gain of roughly 3.8% on the day. The move extends a multi-day rally that has pushed the token up more than 7% over five days and nearly 35% over three months, though it remains far below its October peak above $126,000.

FutureBit demos web-based fly-brain Bitcoin miner using Google's connectome data

FutureBit, maker of the Apollo ASIC miners, released HashFly, a browser-based proof of concept that simulates part of a fruit fly's neural connectome—recently mapped and shared by Google—to process simplified Bitcoin-style hashing tasks. The demo uses simulated photoreceptor and PPL101 neurons to check double-SHA-256 targets, with adjustable difficulty levels far below real Bitcoin mining complexity.

Symbiosis DeFi bridge loses $770,000 after admin-privilege bug lets hacker mint 46 billion fake BTC

On September 11, an attacker exploited two flaws in Symbiosis Finance's smart contracts: a hidden privilege-escalation bug granting fake admin rights, and a missing check that allowed negative transaction fees. Using just 330 satoshi, roughly 25 cents, the attacker set fees to negative values across 12 transactions, minting 46 billion wrapped syBTC tokens on a network meant to represent real Bitcoin. They then sold the fabricated tokens against legitimate wrapped-BTC pairs like WBTC and cbBTC, draining liquidity pools and converting about $336,000 into cash via Uniswap before being blocked.

Neovim's Bitcoin donation address holds ~$800k unspent since 2023

A user examining Neovim's public donation footer discovered a Bitcoin address that received a 10 BTC donation in 2023, now worth roughly $800,000. Blockchain records show the project last moved funds from that address in 2019, suggesting the large donation has gone unnoticed or unused for years.

CoinShares: Bitcoin Hashrate Growth Stalls as Miners Pivot to AI Computing

CoinShares reports that Bitcoin's network hashrate has fallen roughly 50% below its long-term growth trend, marking the first sustained six-month decline since China's 2021 mining crackdown. The firm links the slowdown to miners redirecting resources and infrastructure toward AI computing workloads rather than Bitcoin mining.

Senate stalls Clarity Act on crypto rules, citing Trump family conflicts

The US Senate failed to muster the 60 votes needed to advance the Digital Asset Market Clarity Act, a bill meant to divide crypto oversight between the SEC and CFTC. Democrats blocked the measure over inadequate ethics provisions limiting officials, including President Trump, from profiting off crypto ventures while in office. Bitcoin, Ether, XRP, and Solana all dropped following the vote.

Senate blocks Clarity Act, stalling crypto market structure bill

A Senate procedural vote to advance the Clarity Act failed 50-49, short of the 60 votes needed, halting progress on legislation meant to create a comprehensive regulatory framework for digital assets. Republicans had added ethics provisions over the weekend to address Democratic concerns about officials profiting from crypto ventures, but the changes failed to win over enough Democrats, including negotiator Sen. Ruben Gallego, who said the ethics compromise was insufficient.