Ryan,
Why do you continue to try to correct people who clearly have put more
thought into this than you? Everyone understood you just fine, you just
seem to have trouble comprehending why your ideas are terrible.
On Mon, Dec 23, 2013 at 7:51 PM, Ryan Carboni <ryan.jc...@gmail.com> wrote:
> I think you misunderstood my statement. If time > 3 days, and after 4
> blocks have been mined, then difficulty would be reset.
>
> In theory, one would have to isolate roughly one percent of the Bitcoin
> network's hashing power to do so. Which would indicate an attack by a state
> actor as opposed to anything else. Arguably, the safest way to run Bitcoin
> is through a proprietary dial-up network.
>
>
> On Sun, Dec 22, 2013 at 7:22 PM, Mark Friedenbach <m...@monetize.io>wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Ryan, these sort of adjustments introduce security risks. If you were
>> isolated from the main chain by a low-hashpower attacker, how would
>> you know? They'd need just three days without you noticing that
>> network block generation has stalled - maybe they wait for a long
>> weekend - then after that the block rate is normal but completely
>> controlled by the attacker (and isolated from mainnet).
>>
>> There are fast acting alternative difficulty adjustment algorithms
>> being explored by some alts, such as the 9-block interval, 144-block
>> window, Parks-McClellan FIR filter used by Freicoin to recover from
>> just such a mining bubble. If it were to happen to bitcoin, there
>> would be sophisticated alternative to turn to, and enough time to make
>> the change.
>>
>> On 12/22/2013 07:10 PM, Ryan Carboni wrote:
>> > I think Bitcoin should have a sanity check: after three days if
>> > only four blocks have been mined, difficulty should be adjusted
>> > downwards.
>> >
>> > This might become important in the near future. I project a
>> > Bitcoin mining bubble.
>> >
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>
>
>
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