Re: [bitcoin-dev] SHA1 collisions make Git vulnerable to attakcs by third-parties, not just repo maintainers

2017-02-26 Thread Steve Davis via bitcoin-dev
> On Feb 26, 2017, at 1:36 AM, Pieter Wuille wrote: > > Typical hash function breaks produce collision attacks, while a preimage > attack is needed to reduce single-key address security. Thank you Pieter - that was really helpful. I realize now that I was thinking of a preimage attack but had

Re: [bitcoin-dev] Moving towards user activated soft fork activation

2017-02-26 Thread Jameson Lopp via bitcoin-dev
You've made many salient points, Shaolin, though I have a few questions: 1) How well does this model work under adversarial conditions? Fair point about signaling not being reliable, though it seems more vague in terms of safety given that you can't actually know what percentage of hashrate that i