\u201cBunker mode\u201d could be upon the blockchain sooner than one might think, according to a caution from Ethereum\u2019s Justin Drake. The security researcher has put the industry on notice to implement urgent defensive measures, his worry being that AI is capable of breaking ECDSA signatures.<\/p>\n
Drake made the case for the entire blockchain industry to prepare for such a scenario in an appearance on Bitcoin Magazine. He sees the possibility of sophisticated artificial intelligence targeting the ECDSA signatures that underpin most blockchains as a genuine risk and recommends moving assets to new addresses where public keys are hidden by hashes to reduce their vulnerability to an AI attack.<\/p>\n
Antoine Poinsot of Bitcoin Core was not so easily convinced by Drake\u2019s alarm. \u201cThere is no hard evidence for the kind of imminent peril he is talking about,\u201d said Poinsot, who advised against instilling undue fear in blockchain users. Poinsot, co-author of BIP54 to address four vulnerabilities in the protocol, pointed out that while they are not an immediate concern, it is wise to fix them for the network\u2019s long-term security.<\/p>\n
Then there is the matter of actually implementing protocol changes like BIP54. Poinsot observed that in the past, when the community and economy were smaller, soft forks were easier to coordinate; now, on the scale of global Bitcoin, consensus is much harder to achieve.<\/p>\n
And if quantum computing does threaten Bitcoin\u2019s security, trust in the currency will be eroded unless something is done about it. To guard against unforeseen cryptographic developments, Poinsot supports the gradual introduction of output types that can be used in an emergency.<\/p>\n
He has also taken issue with BIP360 and 361, seeing in them a danger to the Taproot incentive structure that is vital to Bitcoin. This is yet another example of the ongoing discussion in the community over how to insulate major cryptocurrencies from whatever technological threats may arise.<\/p>\n
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