Re: [bitcoin-dev] Statechain coinswap: assigning blame for failure in a two-stage transfer protocol.

2020-09-21 Thread Karl via bitcoin-dev
Coinswap has been a struggling goal for many years now. Consider that bitshares' dexbot just recently lost their funding. Please make your projects usable before you announce you are working on them, to keep your work safe from distraction or harm. On Sun, Sep 13, 2020, 7:11 PM Tom Trevethan

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
asy to find an sha256 preimage on a personal device, somehow. Let's improve the security of the blockchain. On Sun, May 24, 2020, 7:51 PM Ariel Lorenzo-Luaces wrote: > On May 24, 2020, at 1:26 PM, Karl via bitcoin-dev < > bitcoin-dev@lists.linuxfoundation.org> wrote: >> >>

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

[bitcoin-dev] hashcash-newhash

2020-05-23 Thread Karl via bitcoin-dev
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. I believe the impact on existing miners could be made pleasant by gradually moving the