quindi auguri
Topic: Decrittare chiave privata da chiave pubblica? - page 2. (Read 1920 times)
neanche i computer quantici posso rompere una 256 bit, per rivelare la chiave pubblica mi pare che bisogna prima spedire dei btc, quindi finché si riceve si è al sicuro
quindi auguri
quindi auguri
roby, per cominciare compra un d wave 2, circa 10,000,000 $, tuttavia:
Quantum computers would break Bitcoin's security
While ECDSA is indeed not secure under quantum computing, quantum computers don't yet exist and probably won't for a while. The DWAVE system often written about in the press is, even if all their claims are true, not a quantum computer of a kind that could be used for cryptography. Bitcoin's security, when used properly with a new address on each transaction, depends on more than just ECDSA: Cryptographic hashes are much stronger than ECDSA under QC. Bitcoin's security was designed to be upgraded in a forward compatible way and could be upgraded if this were considered an imminent threat.
See the implications of quantum computers on public key cryptography here http://en.wikipedia.org/wiki/Quantum_computer#Potential
The risk of quantum computers is also there for financial institutions, like banks, because they heavily rely on cryptography when doing transactions.
https://en.bitcoin.it/wiki/Myths#Quantum_computers_would_break_Bitcoin.27s_security
Quantum computers would break Bitcoin's security
While ECDSA is indeed not secure under quantum computing, quantum computers don't yet exist and probably won't for a while. The DWAVE system often written about in the press is, even if all their claims are true, not a quantum computer of a kind that could be used for cryptography. Bitcoin's security, when used properly with a new address on each transaction, depends on more than just ECDSA: Cryptographic hashes are much stronger than ECDSA under QC. Bitcoin's security was designed to be upgraded in a forward compatible way and could be upgraded if this were considered an imminent threat.
See the implications of quantum computers on public key cryptography here http://en.wikipedia.org/wiki/Quantum_computer#Potential
The risk of quantum computers is also there for financial institutions, like banks, because they heavily rely on cryptography when doing transactions.
https://en.bitcoin.it/wiki/Myths#Quantum_computers_would_break_Bitcoin.27s_security
Cosa ti da tale sicurezza ad essere sicuro di quello che dici?
http://bitcoin.stackexchange.com/questions/7724/what-happens-if-your-bitcoin-client-generates-an-address-identical-to-another-pe
Cosa ti da tale sicurezza ad essere sicuro di quello che dici?
Con un pc di oggi e qualche milione di anni a disposizione, direi di sì
Secondo voi, o ipoteticamente parlando, sarebbe possibile risalira alla chiave privata di un wallet avendo la sola chiave pubblica?
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