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<Dizzle>
Paper also covers blind signatures with the Schnorr scheme.
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<andytoshi>
i don't think that's gonna get through peer review
<andytoshi>
they cite schnorr's blind signature scheme, don't cite the known attacks against it, provide a scheme that looks vulnerable to the same attacks and an extremely sketchy "proof" that it's unforgeable
<andytoshi>
Dizzle: is this your paper?
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<Dizzle>
andytoshi: nope, not mine
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<yoleaux>
Oleg Andreev auf Twitter: "A guy used my idea of blind ECDSA signatures and came up with 2-of-2 multisig packed in one usual ECDSA signature. https://t.co/kAvUUhW8gN"
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<waxwing>
in the language of the Schnorr BIP, I wonder if it's worth observing explicitly that "Schnorr is at least as secure as ECDSA" given that the latter requires ecdlp hardness, and the former can be reduced to ecdlp hardness (as cited in the bip). it might make it easier for people who don't know the details, to understand (since many have no idea what ecdlp is).
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<gmaxwell>
intel xeon CPUs don't have ME (hurray) but this means that SGX on those cpus doesn't have monotonic counters and trusted time (boo; well kinda boo, they're sort of lame implementations in any case). Has anyone given thought to using the Bitcoin blockchain to implement these sorts of things?
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<gmaxwell>
for example, say you wanted to implement a virtual hardware wallet, that implements a velocity limit. When the system boots, you could show it the UTXO state of the coins the wallet controls. And then it starts its velocity limit timer counter there. Rebooting the system could only possibly make it slower to spend coins, not faster.
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<kanzure>
i think there are still questions floating around like "does anyone have access to SGX and has anything SGX actually been deployed?"
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<AdrianG>
access to SGX?
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