Primecoin sources of information

Primecoin is sometimes called a scientific computing cryptocurrency, because its mining is actually finding useful for science, because Cunningham sequences of prime numbers are computed.
Below you can find a list of interesting links with more information on Primecoin.

• ppcoin.org - official website
• Download paper (pdf) - describes the Primecoin protocol
• Wikipedia on Primecoin
• PPCointalk forums
• Bitcointalk forums (search for XPM)
• Official Primecoin desktop client

• Primecoin Reddit
• Bitcointalk info topic
• Primecoin Wiki (unofficial)

• Primecoin blockchain at 21st Century Moneytalk
• Primecoin block crawler
• Primecoin block explorer

• Satoshi Roulette - gamble with Primecoins
• Addnode - if the Primecoin client won't sync, try this
• Primecoiner
• Primecoin News