From: Chris Riley <criley@gmail•com>
To: Matthew Beton <matthew.beton@gmail•com>
Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] UTXO growth scaling solution proposal
Date: Tue, 22 Aug 2017 14:55:15 -0400 [thread overview]
Message-ID: <CAL5BAw2Tv-=_j7nPL5a+M0zaPQEKBEP9U_oCLL1J6Gefmrrh=g@mail.gmail.com> (raw)
In-Reply-To: <CALKSEdrQoQkW7gQF5k=HFqzq6txfXwPpw8ui5um9bp+gZKNonw@mail.gmail.com>
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The initial message I replied to stated in part, "Okay so I quite like this
idea. If we start removing at height 630000 or 840000 (gives us 4-8 years
to develop this solution), it stays nice and neat with the halving
interval...."
That is less than 3 years or less than 7 years away. Much sooner than it
is believed QC or Moore's law could impact bitcoin. Changing bitcoin so as
to require that early coins start getting "scavenged" at that date seems
unneeded and irresponsible. Besides, your ECDSA is only revealed when you
spend the coins which does provide some quantum resistance. Hal was just
an example of people putting their coins away expecting them to be there at
X years in the future, whether it is for himself or for his kids and wife.
:-)
On Tue, Aug 22, 2017 at 1:33 PM, Matthew Beton <matthew.beton@gmail•com>
wrote:
> Very true, if Moore's law is still functional in 200 years, computers will
> be 2^100 times faster (possibly more if quantum computing becomes
> commonplace), and so old wallets may be easily cracked.
>
> We will need a way to force people to use newer, higher security wallets,
> and turning coins to mining rewards is better solution than them just being
> hacked.
>
> On Tue, 22 Aug 2017, 7:24 pm Thomas Guyot-Sionnest <dermoth@aei•ca> wrote:
>
>> In any case when Hal Finney do not wake up from his 200years
>> cryo-preservation (because unfortunately for him 200 years earlier they did
>> not know how to preserve a body well enough to resurrect it) he would find
>> that advance in computer technology made it trivial for anyone to steal his
>> coins using the long-obsolete secp256k1 ec curve (which was done long
>> before, as soon as it became profitable to crack down the huge stash of
>> coins stale in the early blocks)
>>
>> I just don't get that argument that you can't be "your own bank". The
>> only requirement coming from this would be to move your coins about once
>> every 10 years or so, which you should be able to do if you have your
>> private keys (you should!). You say it may be something to consider when
>> computer breakthroughs makes old outputs vulnerable, but I say it's not
>> "if" but "when" it happens, and by telling firsthand people that their
>> coins requires moving every once in a long while you ensure they won't do
>> stupid things or come back 50 years from now and complain their addresses
>> have been scavenged.
>>
>> --
>> Thomas
>>
>>
>> On 22/08/17 10:29 AM, Erik Aronesty via bitcoin-dev wrote:
>>
>> I agree, it is only a good idea in the event of a quantum computing
>> threat to the security of Bitcoin.
>>
>> On Tue, Aug 22, 2017 at 9:45 AM, Chris Riley via bitcoin-dev <
>> bitcoin-dev@lists•linuxfoundation.org> wrote:
>>
>>> This seems to be drifting off into alt-coin discussion. The idea that
>>> we can change the rules and steal coins at a later date because they are
>>> "stale" or someone is "hoarding" is antithetical to one of the points of
>>> bitcoin in that you can no longer control your own money ("be your own
>>> bank") because someone can at a later date take your coins for some reason
>>> that is outside your control and solely based on some rationalization by a
>>> third party. Once the rule is established that there are valid reasons why
>>> someone should not have control of their own bitcoins, what other reasons
>>> will then be determined to be valid?
>>>
>>> I can imagine Hal Finney being revived (he was cryo-preserved at Alcor
>>> if you aren't aware) after 100 or 200 years expecting his coins to be there
>>> only to find out that his coins were deemed "stale" so were "reclaimed" (in
>>> the current doublespeak - e.g. stolen or confiscated). Or perhaps he
>>> locked some for his children and they are found to be "stale" before they
>>> are available. He said in March 2013, "I think they're safe enough" stored
>>> in a paper wallet. Perhaps any remaining coins are no longer "safe enough."
>>>
>>> Again, this seems (a) more about an alt-coin/bitcoin fork or (b) better
>>> in bitcoin-discuss at best vs bitcoin-dev. I've seen it discussed many
>>> times since 2010 and still do not agree with the rational that embracing
>>> allowing someone to steal someone else's coins for any reason is a useful
>>> change to bitcoin.
>>>
>>>
>>>
>>>
>>> On Tue, Aug 22, 2017 at 4:19 AM, Matthew Beton via bitcoin-dev <
>>> bitcoin-dev@lists•linuxfoundation.org> wrote:
>>>
>>>> Okay so I quite like this idea. If we start removing at height 630000
>>>> or 840000 (gives us 4-8 years to develop this solution), it stays nice and
>>>> neat with the halving interval. We can look at this like so:
>>>>
>>>> B - the current block number
>>>> P - how many blocks behind current the coin burning block is. (630000,
>>>> 840000, or otherwise.)
>>>>
>>>> Every time we mine a new block, we go to block (B-P), and check for
>>>> stale coins. These coins get burnt up and pooled into block B's miner fees.
>>>> This keeps the mining rewards up in the long term, people are less likely
>>>> to stop mining due to too low fees. It also encourages people to keep
>>>> moving their money around the enconomy instead of just hording and leaving
>>>> it.
>>>>
>>>
>>
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next prev parent reply other threads:[~2017-08-22 18:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-22 8:19 Matthew Beton
2017-08-22 13:45 ` Chris Riley
2017-08-22 14:04 ` Matthew Beton
2017-08-22 14:29 ` Erik Aronesty
2017-08-22 17:24 ` Thomas Guyot-Sionnest
2017-08-22 17:33 ` Matthew Beton
2017-08-22 18:55 ` Chris Riley [this message]
2017-08-22 20:06 ` Erik Aronesty
2017-08-22 20:20 ` Mark Friedenbach
-- strict thread matches above, loose matches on Subject: below --
2017-08-22 22:58 Rodney Morris
2017-08-22 23:29 ` Thomas Guyot-Sionnest
2017-08-23 3:26 ` Mark Friedenbach
2017-08-22 22:17 Daniele Pinna
2017-08-22 23:27 ` Thomas Guyot-Sionnest
2017-07-21 19:28 Major Kusanagi
2017-07-21 19:52 ` Jeremy
2017-07-21 19:54 ` Jameson Lopp
2017-07-22 6:43 ` Major Kusanagi
2017-07-21 19:59 ` Lucas Clemente Vella
2017-07-21 20:17 ` Moral Agent
2017-07-22 6:45 ` Major Kusanagi
2017-08-21 13:35 ` Thomas Guyot-Sionnest
2017-08-21 14:26 ` Moral Agent
2017-08-21 17:24 ` Erik Aronesty
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