has anybody tried to compile primecoind him/herself on linux (in my case Ubuntu 12.04)?
Yes, you need to install the "...-dev" packages as well because they contain the .h files. primecoind works well (I need to git pull again to get newest version), but I wasn't able to build primecoin-qt. Maybe later today... Onkel Paul |
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You might want to try again when someone release an optimized miner. The trick is to run it before everybody else does it :-)
Onkel Paul
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I am terribly confused by all of this now.
this. (assuming in your favor that you're not a big-mouthed liar) Onkel Paul |
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so how does primecoin benefit the scientific community now? Are we trying to find new prime numbers? that would be kind of cool
Finding new prime numbers is easy. Just cobble together a number of random bits and make an integer out of them, test whether it's prime, if not, repeat, otherwise you're done. Primecoin does essentially that with some rules that make it more interesting. One is that the prime must be the start of a Cunningham chain whose length is at least the integral part of the difficulty (i.e. 7 at the moment, there's an additional rule which covers the fractional part of the difficulty). Another is that the starting value must be related to the hash of the block being mined (which in turn includes the hash of the previous block) so that block n+1 only can be started to be mined after block n (and its hash) is known. So the Primecoin blockchain is a table of more or less randomly picked primes that start Cunningham chains. The individual primes are not really exciting, but they might be used as statistical data for research purposes. However, I think that Cunningham chains can be found easily if you ignore the hash restriction necessary for blockchain integrity, so any researcher who needs such chains can generate them on his own. Onkel Paul |
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I have a few computers mining -- am I able to have all rewards mature in one wallet, or do I have to wait for them before consolidating?
I think you need to wait for them to mature before you can move them to a different wallet. A different client (which does not exist yet as far as I know) might generate addresses deterministically starting from a seed, enabling you to access funds from any client that started at the same seed. (see https://en.bitcoin.it/wiki/Deterministic_wallet) Onkel Paul |
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Every block reward is placed into a new address IIUC.
Onkel Paul
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What port is primecoin running on? I need to verify that some active ports I've discovered are just the primecoin running...
9911 Onkel Paul |
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The prime chain of each block is built starting from its hash (in a way) so you cannot simply compute any chain in advance.
Onkel Paul
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Got one block (19.57 XPM) after maybe 3-4 hours of mining. Not too bad for an i3-2100... Let's see if more are on the way... The use of prime-related problems is definitely a new welcome twist to cryptocurrencies  Onkel Paul |
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You may just ask for the transaction data here in the forum. As a start, I'll provide the transactions from the beginning of time to December, 2008: +----------+-----------------------------------+---------------+
|date |address |amount |
+----------+-----------------------------------+---------------+
:-) Onkel Paul |
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A number of people I know have good results with powerline networking devices ( http://en.wikipedia.org/wiki/HomePlug) when wireless was not usable due to bad signal strength/quality. YMMV, of course. If you can use a cable, go for it - it's probably the cheapest and most reliable connection you can get. Onkel Paul |
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It is already built. Just click on primecoin-qt in the primecoin folder.
Ok I see that's what I get for trying to build from the github source... As you explained later, the tar file contains a pre-built binary, so I'll probably switch to that. With the sources, I managed to build the primecoind and get it running (it's mining, but no luck yet). I probably need to perform some qmake trickery to build the GUI... Onkel Paul |
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Color me incompetent, but how do I build the primecoin-qt client (on ubuntu linux)?
primecoind is all nice and dandy, but having a graphical client would be nice...
Onkel Paul
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Anyone who needs to verify that you're the owner of that address can do it when they want to. No need for others to do it...
(Actually I just did since I'm kinda bored, and the signature matches the address and message. Not that it makes a big difference to me)
Onkel Paul
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Thank you, but who cares?
At least it's a more meaningful newbie first post than "I like football, do you too?" Onkel Paul |
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ich vermute, dass es durch ipv6 geht, nur verstehe ich gar nix davon, und der Aufwand für mich riesig wird. Daher suche eine ipv4 Adresse.
Wenn dein Router das kann (viele können das inzwischen), ist der Aufwand gar nicht so groß, geht z.B. mit einem SIXXS-Tunnel. Aber das Problem könnte sein, dass die IPv6-Adresse eben von den ganzen IPv4-Nutzern nicht erreichbar ist. Falls dein Ziel Erreichbarkeit ist, nützt dir IPv6 also im Moment exakt nichts. Onkel Paul |
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When trading, you should be aware that "buy low, sell high" is a pretty good rule but it only works if there is a "high" after the "low" at which you bought. Knowing in advance whether a given exchange rate is "low" and will be followed by a "high" is the basic skill a trader must acquire  Onkel Paul (I never learned this skill - probably I'm too optimistic...) |
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Abgesehen, dass es so was schon gibt (z.B. betsofbitco.in), funktioniert gerade das Wetten zur Ausfall-Absicherung nur, wenn genügend hoch dagegen gewettet wird, sonst hat man nicht viel davon, wenn man die Wette gewinnt.
Das bedeutet, dass so ein Wettmarkt erst mal eine bestimmte Größe erreichen muss. Das ist vermutlich nicht so leicht.
Ein Faktor, den man bei zeitverschobenen Geschäften mit Bitcoin im Gegensatz zu traditionellen Währungen beachten muss: Wetten dieser Art werden an der Börse oft mit geliehenem Geld gemacht (hinter dem wegen fractional reserve banking nicht unbedingt reales Geld stehen muss), was zum einen das Volumen aufbläht, zum anderen die Risiken erhöht. Bei Bitcoin würde man/ich eher davon ausgehen, dass Wetteinsätze "bar" geleistet werden, was Kapital bindet und vermutlich den Markt etwas bremsen dürfte, aber dafür die Sicherheit bietet, dass beim Eintritt des Ereignisses tatsächlich der Wettgewinn ausgezahlt werden kann.
Das hindert natürlich niemanden, sich zum Wetten Bitcoins zu leihen (passiert ja hier im Forum wohl häufig genug, die Leute, die ihre Wetten verlieren und die geliehenen BTC nicht zurückzahlen, sind dann halt als Scammer gebrandmarkt und machen sich einen neuen Account auf...)
Onkel Paul
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I came to bitcoin when I had a need for transferring some money and the international transfer fees were just ridiculous. It turned out that in this case, it would have been too complicated to exchange fiat into bitcoin on my side and vice versa on the recipient's side, so we didn't actually follow it through.
So practically speaking, it's been play money for me up to now and for the foreseeable future. My employer won't pay me in BTC, there are no things that I need and could buy with BTC that I couldn't get with less effort for fiat money. So right now it's just an educational thing (learning a lot about economy and psychology on the way) and some small-scale gambling with amounts comparable to those I'd wager in sports bets with friends. I'd probably do small side jobs for BTC (basically coding for fun and getting a token of appreciation) but currently the amount of available spare time is zilch...
Onkel Paul
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"You must download this app to read this message" or send them to a java page.
You're kidding, right? "You must download this app to read this message" is a 99.9% sign of malware trying to install itself on your computer. Someone who is not computer-savvy enough to install firefox+enigmail and give me their public key should definitely not install software from a download link that came over e-mail. Onkel Paul |
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