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September 3, 2026
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Capitalizations Index – B ∞/21M

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Empower Bitcoin Decentralization: The Role of Running a Node The Pillars of Bitcoin: Mining for Transaction Validation and Network Security Understanding Bitcoin Addresses: Why Those Starting with ‘1’ Use the Older P2PKH Format Understanding Bitcoin Cash: The Fork with Bigger Blocks for Quicker Transactions How Bitcoin Transaction Fees Will Keep Miners Motivated Post-Subsidy

Meet the latest vulnerability in your multi-threaded CPU: PortSmash

Cryptography News
Meet the latest vulnerability in your multi-threaded CPU: PortSmash

Why it matters: PortSmash is a dangerous side-channel vulnerability that exploits simultaneous multi-threading to steal cryptography keys and determine what a processor core is doing. While it's only been confirmed to work on Intel's Kaby Lake and Skylake platforms so far, it's “strongly suspected” to work on all processors with hyperthreading including AMD's.

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