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常见问题量子问题(FAQQ)是一个Wikimedia网站,旨在以引人入胜的方式回答有关量子计算将如何影响比特币以及其余区块链空间的常见声明,主张和误解

它是由来自 Quantum Resistant Ledger.

Overview

Assertions

  1. Quantum Computing is Coming
  2. It's going to affect Bitcoin

Misconceptions

  1. Bitcoin's developers have already planned for this.
  2. Bitcoin will just hard/softfork
  3. If they can break SHA_256, we’ll upgrade to SHA_384
  4. But if you don’t reuse addresses, you’re safe because BTC only exposes the hash of your public key if you have never transferred BTC from that address
  5. Quantum computing is a long ways away, there's no need to bother
  6. If ECDSA will be broken, banks and the whole internet is broken. Blockchain is the least we’ll need to worry about then.


Further reading

Series: Quantum resistant blockchain and cryptocurrency, the full analysis

  1. Laying the groundwork
  2. Blockchain mathematical concepts
  3. Quantum resistant blockchains explained
  4. Challenges in upgrading existing blockchains
  5. Challenges in upgrading existing blockchains, continued
  6. Why BTC is vulnerable for quantum attacks sooner than todays estimates
  7. Common arguments and false claims

Academic Papers