What is quantum-safe Bitcoin transactions?

StarkWare's proposal uses post-quantum signatures verified on Bitcoin without changing core rules—via Taproot tricks.

Will quantum computers break Bitcoin soon?

Not before 2030 likely; needs millions of qubits. But dormant wallets at risk first.

Does this require a Bitcoin soft fork?

Nope—purely user-side, using existing opcodes. Miners untouched.

StarkWare Researcher Floats Quantum-Safe Bitcoin Trades—No Fork Required, But Costs Could Kill It

Bitcoin's ticking quantum bomb just got a proposed defuser: transactions shielded from supercomputers, no network split needed. StarkWare's idea sounds clever—until you tally the costs.

theAIcatchup Apr 10, 2026 4 min read

Quantum computer circuits overlaying Bitcoin blockchain with shield icon

⚡ Key Takeaways

StarkWare's no-fork quantum fix uses OP_CHECKSIGFROMSTACK for post-quantum sigs like Dilithium. 𝕏
High fees (10-50x sig size) and UX hurdles likely limit it to a last-resort tool. 𝕏
Quantum threats real by 2030s, but Bitcoin's HODL culture may ignore until crisis hits. 𝕏

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theAIcatchup

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#bitcoin upgrade #quantum computing threat #quantum-safe bitcoin #starkware

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Originally reported by The Block

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