Jane Street Leads $105M Round for Antithesis to Scale Ethereum Failure Replays

Published at 2025-12-03 13:45:23

Antithesis announced a $105 million Series A round led by Jane Street to expand its deterministic simulation testing platform, which enables exact replays of complex failures. The company says the technology can reproduce incidents end-to-end, helping engineers pinpoint root causes across blockchain nodes, smart contracts, and other always-on infrastructure.

The investment signals growing institutional interest in tooling that reduces systemic risk for Ethereum and similar networks. By funding scale-out and production integrations, Antithesis aims to speed incident response, improve client and contract reliability, and make post-mortem analysis more precise — outcomes that matter for developers, exchanges, and ETH holders seeking sturdier infrastructure.

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BlackRock has offloaded roughly $135 million worth of Ethereum even as the broader crypto market posted a sharp rebound over the past 24 hours. The move underscores continued institutional selling pressure amid a tentative rally.

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Published at 2025-12-03 19:00:20

ETH Leverage on Binance Hits Record High Ahead of Fusaka Upgrade

Binance traders’ ETH exposure has climbed as the exchange’s leverage ratio reached a record high while ether reclaimed levels above $3,000. The build-up comes just ahead of the Fusaka upgrade and raises the risk of amplified volatility.

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Published at 2025-12-03 14:45:11

Ethereum Tops $3K as Fusaka Upgrade Launches: How High Can ETH Go?

Ethereum climbed past $3,000 after the Fusaka upgrade launched, rebounding roughly 10% in 24 hours following days of sideways trading. Traders pointed to the upgrade and a pickup in risk appetite as catalysts.

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Published at 2025-12-03 10:15:11

Vanguard Opens Crypto Doors With Broad BTC, ETH, XRP, SOL ETF Rollout

Vanguard will allow clients to access crypto ETFs tied to Bitcoin, Ethereum, XRP and Solana, a move that broadens mainstream exposure and integrates digital assets into traditional portfolios. The decision could reshape allocation strategies for millions of investors.

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Published at 2025-12-02 17:45:22

Kevin O'Leary: Altcoins Are Dead — 'All You Need Is BTC and ETH'

Investor Kevin O'Leary declared that bitcoin and ethereum are the only sources of alpha left in crypto, calling other tokens "noise." His blunt stance spotlights a growing concentration of attention on BTC and ETH.