Latest Record: We found a Cunningham Chain of the First Kind of length 14! It has an origin of 97 digits, and was in block 2718842. (view all records)


A new type cryptocurrency which is proof-of-work based on searching for prime numbers.

Why Primecoin Download Wallet!

What is Primecoin?

Primecoin is an innovative cryptocurrency, a form of digital currency secured by cryptography and issued through a decentralized mining market. Derived from Satoshi Nakamoto's Bitcoin, Primecoin introduces an unique form of proof-of-work based on prime numbers.

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Advantages of Primecoin.

The innovative prime proof-of-work in Primecoin not only provides security and minting to the network, but also generates a special form of prime number chains of interest to mathematical research. Thus primecoin network is energy-multiuse, compared to bitcoin.

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Value Behind Primecoin.

Primecoin network searches for special prime number chains known as Cunningham chains and bi-twin chains. The distribution of these prime chains are not well-understood currently as even for its simplest case twin primes their infinite existence is not proven.

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Last updated: never

Did you know?

Primecoin miners broke more than 17 world records for The Cunningham and BiTwin Chains?

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Primecoin resources

  • Downloads

    You can easily download and install the Primecoin Wallet on your Windows PC and Linux computer.

  • Wiki

    If you have any other questions which still are unanswered, you can read the Primecoin Wiki.

  • How to Mine

    Learn how you can mine Primecoins on different operating systems. You can read it here on the how to mine page.

  • Exchange Markets

    You can buy / sell Primecoins on many trustworthy markets. Here you will find a complete list.

  • Primecoin Paper

    Primecoin: Cryptocurrency with Prime Number Proof-of-Work. Here you can read the paper.