Re: [bitcoin-dev] hashcash-newhash

2020-05-27 Thread Erik Aronesty via bitcoin-dev
> What you are focusing on is only this: > > * Proof-of-work. Bitcoin's primary value proposition is that it's the most resistant to change: All other coins are these malleable things centrally controlled and easily moved about by politics and nonsense. So discussions of POW changes... open

Re: [bitcoin-dev] hashcash-newhash

2020-05-26 Thread ZmnSCPxj via bitcoin-dev
Good morning Karl, > > > Reddit claims two entities controlled 62% of the hashrate recently:  > > > https://old.reddit.com/r/CryptoCurrency/comments/gmhuon/in_the_last_24_hours_bitcoins_nakamoto/ > > > .  Compromising the systems of these two groups seems like it is all > > > that is needed to

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Karl via bitcoin-dev
Hi ZmnSCPxj, We have been addressing many concepts. Let's try to slowly trim it down for simplicity. > Reddit claims two entities controlled 62% of the hashrate recently: > https://old.reddit.com/r/CryptoCurrency/comments/gmhuon/in_the_last_24_hours_bitcoins_nakamoto/ > . Compromising the

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Karl via bitcoin-dev
Hi Ariel, Thanks for your reply. You state that once "the entire world" can quickly find a hash that it then "needs to be changed", but that that "won't happen in a day". It sounds like you believe compromise of the algorithm as a concern provides a _lot_ of time to migrate to a new hash

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Ariel Lorenzo-Luaces via bitcoin-dev
On May 24, 2020, 1:26 PM, at 1:26 PM, Karl via bitcoin-dev wrote: >Hi ZmnSCPxj, > >Thanks for your reply. I'm on mobile so please excuse me for >top-posting. > >I'd like to sort these various points out. Maybe we won't finish the >whole >discussion, but maybe at least we can update wiki

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread ZmnSCPxj via bitcoin-dev
Good morning Kari, > > > You mention ASICs becoming commoditized.  I'd remind you that eventually > > > there will be a public mathematical breaking of the algorithm, at which > > > point all ASICs will become obsolete regardless.  Would you agree it > > > would be better to prepare for this

Re: [bitcoin-dev] hashcash-newhash

2020-05-24 Thread Karl via bitcoin-dev
Hi ZmnSCPxj, Thanks for your reply. I'm on mobile so please excuse me for top-posting. I'd like to sort these various points out. Maybe we won't finish the whole discussion, but maybe at least we can update wiki articles like https://en.bitcoin.it/wiki/Hashcash#Cryptanalytic_Risks with more

Re: [bitcoin-dev] hashcash-newhash

2020-05-24 Thread Karl via bitcoin-dev
Good afternoon ZmnSCPxj, Thanks for holding your end of this discussion with me. Sorry I am so verbose; I am still learning to communicate efficiently. > You mention ASICs becoming commoditized. I'd remind you that eventually > there will be a public mathematical breaking of the algorithm, at

Re: [bitcoin-dev] hashcash-newhash

2020-05-24 Thread ZmnSCPxj via bitcoin-dev
Good morning Kari, > You mention ASICs becoming commoditized.  I'd remind you that eventually > there will be a public mathematical breaking of the algorithm, at which point > all ASICs will become obsolete regardless.  Would you agree it would be > better to prepare for this by planning

Re: [bitcoin-dev] hashcash-newhash

2020-05-23 Thread ZmnSCPxj via bitcoin-dev
Good morning Karl, > Hi, > > I'd like to revisit the discussion of the digest algorithm used in hashcash. > > I believe migrating to new hashing algorithms as a policy would significantly > increase decentralization and hence security. Why do you believe so? My understanding is that there are