is it possible to replace the cryptography and public key algorithms in Bitcoin?

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Is it possible to replace the cryptographic algorithms used in Bitcoin, such as the hash algorithms and the elliptic curve public key cryptography?

Does this require a soft fork or a hard fork?

picolo

Posted 2017-10-17T02:41:56.227

Reputation: 107

Answers

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Is it possible to replace the cryptographic algorithms used in Bitcoin, such as the hash algorithms and the elliptic curve public key cryptography in Bitcoin?

Yes.

Does this require a soft fork or a hard fork?

It'll definitely be a hard fork since older clients will not be able to process the new transactions that require different cryptographic algorithms, especially sighashing.

renlord

Posted 2017-10-17T02:41:56.227

Reputation: 2 167

Is it possible to have new type of transactions like segwit with soft fork and anyone can spend outputs for backwards compatibility? – sanket1729 – 2017-10-18T11:41:26.617

Asked: 2017-10-17T02:41:56.227

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Active: 2017-10-17T02:58:31.380