[ANN][GAP] Gapcoin - Prime Gap Search - New Math Algo - CPU / GPU - Zero Premine

[BitcoinFX]

Why would it have to be a cloud server and not a locally hosted server? Just curious...I would prefer to host locally perhaps with a cloud backup if needed...Keep in mind I know little about setting up pools so if I sound stupid...its from lack of knowledge on the subject matter.

I wouldn't, necessarily.

However, for security and stability you are likely to fair much better using hosting, as most industry mining pools currently do.

Think about some DDoS protection, the responsibility of correctly distributing the mined blocks, uptime i.e. running 24/7 etc.,

I'm not saying you can't run a mining pool on a correctly port forwarded and secured 'home' LAN network, your more than welcome to, although also consider future competition and where users of a pool might choose to prefer to mine etc.,

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[gjhiggins]

Why would it have to be a cloud server and not a locally hosted server?

Usually because a cloud hosted machine is closer to the backbone and isn't hampered by the bidirectional asymmetry of a home connection so latency is low and connectivity high. Otherwise, the mining process will be slowed by the latency to a degree where it's edged out by blocks submitted by other solo/pool miners with faster connections. Ofc, if you're sufficiently well-resourced to have a fibre optic high-speed symmetrical connection at home that will improve matters. No reason you can't start with a home setup and once it's working, migrate it to a cloud-hosted server later.

Cheers

Graham

[YuSoDum]

Awesome, I didnt look at it from all those perspectives. Great advice - I really appreciate it. I'll do some more research next week and start tinkering. This weekend is packed.

[BitcoinFX]

Finders keepers, lossers weepers ...

- https://chainz.cryptoid.info/gap/

"dumpprivkey GMbnkPxkdVBkHwUUMHYE5mA8qC61mAmVbV"  importprivkey FT2ecLe8xzcHMbRimdiComW8M5EpZyXqjVdPLvMp1RNaLwZxBRUR  
"dumpprivkey GfgngegXEWQX4y4HdQTPEyUUsQVnij21we"  importprivkey FQTEXQrPqS9GPL3L9GYNCDAxo5urh3VkgQjp8r9onCY9DCaucq5T  
"dumpprivkey GWFU1u1VbUjhKCdo6rt6XgRVcCfQ7ExeZ7"  importprivkey FVAEXMzcKVysGnLuY8k4zkLCkkpK4fUppXxQAq6Hs98C5Eca7sW7  
"dumpprivkey GNPVCrtsz7vfciRFw4qJNu9S3dVZG8BvUB"  importprivkey FMWQfJtwrPTMn8uSxe1QDudRdYXXbSpDujDETPd7ZJgwArGwtngy  
"dumpprivkey GYc5YzvS3epymL8P9y1Hqe1JCdGPVk9AeN"  importprivkey FNY4yHiLjxA9FSNzqfzz2bsjzZxkH89no8DmVmgrtYH8gLcoiB4h  
"dumpprivkey GZ2hrC9S2nSTUbeEuYzVsgKX2xsFbiBRDA"  importprivkey FSdF33tCP4Du8SbbDgyxpNcLgSGHKE21NvVyB7jSxhfktdAnyiT7  
"dumpprivkey GPJzBpNL5hJXW4hoJ95pntFsoy3ficAPUM"  importprivkey FNpD4DLsPz46akmqPbaajHozonqbRRR9jsunPrs4dumUwzATCMoA  
"dumpprivkey GaWfAzwgWay23AX4kKVHAGgaDsyfKj6nM6"  importprivkey FTxpjyDeVFjsVWj27zerkx7yUs1o23djZaX5JVSG2HZrvjvyrbGD  
"dumpprivkey GX9dSNXwJTxBjRBqTdieki5uDLN3VRPMET"  importprivkey FUstBFwMg3raDvXuwrevrkUGP8cyKQ4ur6NTW539uYTmFbE567ih  
"dumpprivkey GRPGPZ8sR5vWc5FB3o4Uusx5X4R8RUDWb1"  importprivkey FS3wBQUdfoShRPA3drJqWproq1cfoTTBMbv7HGgRT5gyT76NLvyL  

This post will self-destruct on 1st Jan. 2020 or soon after the coins are moved to new gapcoin addresses.

[gjhiggins]

Awesome, I didnt look at it from all those perspectives. Great advice - I really appreciate it. I'll do some more research next week and start tinkering. This weekend is packed.

The 5-yr old noncepool fork may not be the best choice - the repos owner notes: "This fork is still in development. Many features may be broken."

In principle, the gapcoin-hash-python library will probably work with a modern version of stratum. Collectively, we might be better served by taking ahmedbodi's more recently-maintained fork and applying the  noncepool submitblock change. If that proves beyond our reach, ahmed's professional expertise is available for hire.

Cheers

Graham

[minerja]

Finders keepers, lossers weepers ...

- https://chainz.cryptoid.info/gap/

This post will self-destruct on 1st Jan. 2020 or soon after the coins are moved to new gapcoin addresses.

Hi, i'd like to test this please.
How does one go about it?

Thanks
J

[gjhiggins]

Hi, i'd like to test this please.
How does one go about it?

Choose a gapcoin address-privkey pair from the list, fire up a gapcoin client, wait for it to fully sync, open the client debug window, select the "console" tab and enter:

Code:

importprivkey <your_chosen_privkey> "an_informative_label_for_the_address" true

 You'll need to wait for quite some time while the client rescans the blockchain. When it's finished, you should have whatever balance is shown by the chainz explorer for the chosen gapcoin address. Now send those coins to another address in your wallet before someone else imports that privkey and sends the coins to an address they control.

It's a literal example of a "free for all", aka "airdrop".

Cheers

Graham

[zasad@]

An interesting project, I translated it into Russian.
https://bitcointalk.org/index.php?topic=5198025

[gjhiggins]

fwiw Dept:

As part of my attempts to resolve the apparent contradiction between the assertions about how primes are filtered in Gapcoin [1] and how that's done in the actual PoWCore source code, I scraped j0nn9's posts to this, the Gapcoin thread, sorted them into ascending order and rendered the result as a standalone page of HTML that I have published as a github gist which can be saved and opened in a browser:

https://gist.github.com/gjhiggins/75073257527aa6304b3913688f2b46c8

[1] “Gapcoin follows Riecoin's way and uses enough Miller-Rabin tests with random bases to avoid composite numbers being accepted as Prove of Work.”

Added:
In an effort after greater clarity, I distilled and categorised the posts, rendering them as a page of HTML that uses jquery and semantic-ui to present the posts in a series of accordion (drop-down) sections for ease of consumption: https://gist.github.com/gjhiggins/dded25cb7a6d46531a3c8bd52074bde4

BTW, I found out what [1] was about and annotated my own copy of Gapcoin-PoWCore's PoW.cpp (https://github.com/gapcoin/Gapcoin-PoWCore/blob/06ac3fea780997232e9d5c78bfaf34d72e1b4e13/src/PoW.cpp#L130) with the docs of the gmplib functions mpz_probab_prime_p and mpz_nextprime:

Code:

  /* start has to be a prime */
  /*
    Function: int mpz_probab_prime_p (const mpz_t n, int reps)

      Determine whether n is prime. Return 2 if n is definitely prime, 
      return 1 if n is probably prime (without being certain), or
      return 0 if n is definitely non-prime.

      This function performs some trial divisions, then reps 
      Miller-Rabin probabilistic primality tests. A higher reps value
      will reduce the chances of a non-prime being identified as “probably prime”.
      A composite number will be identified as a prime with a probability of less
      than 4^(-reps). Reasonable values of reps are between 15 and 50. 
  */
  if (!mpz_probab_prime_p(mpz_start, 25)) {
    
    mpz_clear(mpz_start);
    return false;
  }

  mpz_init(mpz_end);
  /*
    Function: void mpz_nextprime (mpz_t rop, const mpz_t op)

      Set rop to the next prime greater than op.

      This function uses a probabilistic algorithm to identify primes.
      For practical purposes it’s adequate, the chance of a composite
      passing will be extremely small. 
  */
  mpz_nextprime(mpz_end, mpz_start);

  return true;

(In case anyone other than me is interested.)

Cheers

Graham

[gjhiggins]

An interesting project, I translated it into Russian.
https://bitcointalk.org/index.php?topic=5198025

Historically, the bounty for translations was 25 GAP but that seems a little paltry these days. If you wish to post a Gapcoin address, I will send you 50 GAP.

Cheers

Graham

[gjhiggins]

Dr Thomas Nicely



I'm saddened to learn that Dr Thomas Nicely died Wednesday, September 11, 2019, as a result of injuries sustained in a recent car accident.

I'm working my way through his website, saving the content for curation purposes (but I imagine that the internet archive has it all safely stashed) intending to explore the possibility of establishing the Gapcoin community as de facto collective curators of prime gap records.

Cheers

Graham

[Viper1]

(but I imagine that the internet archive has it all safely stashed)

Do you know if there's a way to "force" the entire site to be crawled and archived by them? I've noted in the past that for some sites they don't always have everything.

[gjhiggins]

(but I imagine that the internet archive has it all safely stashed)

Do you know if there's a way to "force" the entire site to be crawled and archived by them? I've noted in the past that for some sites they don't always have everything.

The internet archive doesn't offer a crawler API. It's done by hand on an URL-by-URL basis.

Cheers

Graham

[YuSoDum]

Ok. I have an idea that I'm going to approach from a new pool aspect. Please note I've never attempted this, so this is a test. I have a game plan in my brain, but might take a little time to execute. I will try a local pool with my hardware first - When I get the functionality to a satisfactory level - I will switch and host the server online (which my wife has a few options for hosting). So please bear with me as I learn and get this ball rolling. My spare workstation is older and slower than I thought, but I'm confident it could handle a few people mining in a pool scenario for testing purposes.

I'll keep everyone posted here of my progress as I stumble thru what I have envisioned in my brain - granted I have enough bourbon.

[BitcoinFX]

Block explorer expiring, friendly community reminder, have to watch these things ...

- https://chainz.cryptoid.info/gap/

We need a 2nd block explorer and new exchanges.

[YuSoDum]

https://thegapcoinpool.xyz/

It's there....

NOT functional yet...I'll keep working on it as time allows...A lot left to do..

It's close(ish) I think...haha

Just a sneak peek

[YuSoDum]

Hello,

My name is John Todorov and I am CFO of DagX crypto trading platform. We are looking to drastically expand our business and we are interested in listing new promising projects, like yours.

This is an example of our successful IEO with our partners from Discoin: https://discoin.dagx.live/
We can provide you a dedicated support member for your project and personal landing page. Also, we can help you promote the project trough many different channels, by advertising the platform to large communities of crypto traders.

If you're interested in listing to our exchange, you can communicate with me via telegram (https://t.me/CryptoJohn48), you can send me an email to john.todorov@dagx.live, you can call straight to my office phone number +44 20 38073840 or you can fill-up the application form from here: https://affiliate.dagx.live/list-your-coin-token-on-dagx-live/

Best regards!

Funny..exact same posts on other threads...from a new account...
fishy to say the least...

[Toplistico.com]

My advice, you should pay more attention to the UI of your website so that ordinary users can navigate easily. But that's just my advice, you can accept or ignore it. 

[YuSoDum]

My advice, you should pay more attention to the UI of your website so that ordinary users can navigate easily. But that's just my advice, you can accept or ignore it. 

Oh I will, I appreciate the input. I want to get functionality first - then figure out how to change the interface.

[Viper1]

Good morning community, I recently invested in the project because its concept seems interesting to me, I would like to help not only to buy the currency, but also what they consider useful, the community is what differentiates a dead project from one that still has Hope, then it is necessary that the community be more active, we all have the same common objective and that this currency has its rightful place (it is necessary that people who have several currencies participate more, if the project does not work that amount of the coins will be worth 0 )

Community support is shown in something as necessary as paying the explorer block

1) It is necessary to have a roadmap with marked objectives, in this way it would facilitate the inclusion of some developer, which would also help us to start a good exchange

3) Monetary liquidity is needed for this reason a new exchange is urgently needed

2) Coinmarket is a place where many people go, so it is necessary for the currency to reappear

3) Modernize the website design, I know that Bitcoin FX created a new one, we would try to redesign it to make it easier for the next investors (thanks bitcoinfx and Graham for the great support offered to the currency in recent years, without you this currency would forget)

With regard to the development of the currency that is the most important, what are the priorities at this time

regards

You want a coin that is run as a centralized business. This is a grassroots coin where the tech is more important than money. i.e. what Bitcoin used to be before all the money hungry leeches latched on and bastardized all of this stuff.