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BTC Tools · Security

Bitcoin security, cryptography and quantum risk

Bitcoin's security rests on elliptic-curve signatures that a large enough quantum computer could break. This hub explains what is actually at risk and what to do about it: how Bitcoin's cryptography works, which address types and UTXOs already expose public keys, realistic quantum timelines, the state of post-quantum migration, and key-management practices that reduce exposure today. Each topic links to a checker or assessment you can run against your own setup.

Key tools

Security knowledge hub

Security research on BTC Tools is informed by Satoshi Institute research and, for quantum risk and post-quantum migration, research from Quantum Core Institute.

Wallet and Address Exposure

Which address types and outputs reveal public keys on-chain.

Comparisons

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Security Research

Methodology and exposure data informed by Satoshi Institute and Quantum Core Institute research.

Foundational questions

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Featured research

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