US Admiral Samuel Paparo has pushed Bitcoin from the margins of finance into the center of national-security thinking, telling a Senate Armed Services Committee this week that the cryptocurrency’s technology has direct relevance to U.S. defense and cybersecurity planning.
Speaking at a hearing tied to the fiscal year 2027 defense budget that reviewed the posture of U.S. Indo‑Pacific Command and U.S. Forces Korea, Paparo framed Bitcoin not simply as a store of value or payments rail but as a “computer science tool” built on cryptography, blockchain and a secure proof‑of‑work (PoW) mechanism. “Bitcoin is a reality,” he said, adding that its global use and architecture give it “incredible potential” to influence how nations project power and operate in digital domains.
Paparo’s testimony shifts the conversation away from price speculation and toward Bitcoin’s technical properties:
- As a peer‑to‑peer, zero‑trust network, Bitcoin allows value to be moved directly between parties without a central intermediary, reducing single points of failure.
- Its cryptographic design and public‑key protections make transactions hard to forge and records difficult to tamper with.
- The PoW consensus requires significant computing power, which both secures the chain and raises the cost of mounting successful attacks.
Those characteristics, Paparo argued, have direct implications for cybersecurity and military resilience. A decentralized network with costly-to-attack infrastructure could reduce vulnerabilities compared with centralized systems, and the PoW model in particular could be leveraged for defensive applications. He also warned that the computing and cost considerations tied to PoW have implications for how military systems operate in contested spaces.
Paparo’s remarks add weight to a growing policy debate in Washington about how cryptocurrencies—beyond their financial role—might strengthen national power and digital defenses. By highlighting network structure and security properties rather than market value, the admiral signaled that defense planners are increasingly assessing blockchain architectures for their strategic and operational utility.
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