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Posts Tagged ‘scrypt’

Philosopherstone (PHS) Scrypt based cryptocoin

2, Feb 2014

philosopherstone-scrypt-crypto

The ‘squared circle’ or ‘squaring the circle’ is a 17th century alchemical glyph or symbol for the creation of the Philosopher’s Stone. The Philosopher’s Stone was supposed to be able to transmute base metals into gold and perhaps be an elixir of life. Philosopherstone (PHS) – a fork of Diamond, with several algorithms fixed and improved. It is decendent of Novacoin/PPCoin with Pow/PoS. It combines the great features from Luckycoin (random blocks) and Florincoin (transaction message), is launched! No Premine!

There were a couple of new PoW/PoS coins launched recently, most have problems with PoS generation. Either we see zero-coin PoS blocks generated, or the generation is not accurately reflected in desired PoS percentage. In Philosopherstone we fixed these issues, and after 5 days the PoS blocks will be generated reflecting the precise interest rate defined by the coin (in this case 50% annual interest or 3.44% monthly interest).

Proof of stake coin is more secure and is much more resilient to 51% attack. Since 51% hashpower is not enough to execute the 51% attack. The attackers must also have at least 51% stake in the coin. Philosopherstone provides annual interest rate of 50%, for stakes that are not moved during the period. This equivalent to 3.44% monthly interest. PoS blocks will be generated if the stake is held for more than 5 days.

Website
http://phstones.com/

Block Explorer / Crawler
http://diamondblocks.info/chain/Philosopherstone

SPECIFICATIONS

  • Scrypt Algorithm
  • Each normal block has 64 Philosopherstone
  • 2 minutes block time
  • Difficulty retargets every block
  • Mining payout will be halved every 3 months (or every 64800 blocks)
  • Expected total mined coins will be 8,891,840 Philosopherstones (Current estimate <3million)
  • 4 confirmations for transactions
  • 50 confirmations for minted blocks
  • Transaction messaging
  • Proof of Stake hybrid – Coins will mine themselves every 5-10 days

DOWNLOADS
Windows

Source Code
at GitHub

PORTS

  • RPC Port: 16282
  • P2P Port: 16281

POOLS
– http://pool.phsblocks.com/
– http://phs.minar.cc/
– http://phs.coin-pool.org
– http://phs.broken-arrow.pl/

EXCHANGES
– Cryptsy

Phoenixcoin (PXC) Scrypt based cryptocoin

1, Feb 2014

phoenixcoin-scrypt-crypto

Designed and crafted with open source ideas in mind, Phoenixcoin (PXC) is a digital currency for everyone. It doesn’t depend upon very expensive hardware and can be mined successfully with popular computer video cards or processors. It is also a fast and reliable way to send money worldwide. Phoenixcoin is developed with a high level of transparency and community involvement to embrace the most advanced technology. Anyone can contribute to the development. Every little thing matters.

Website
– http://phoenixcoin.org

Block Explorer / Crawler
– http://explorer.phoenixcoin.org

SPECIFICATIONS

  • Scrypt Algorithm
  • ~98 million total coins
  • block target is 1.5 minutes
  • block reward is 50 coins
  • block reward halves every 1 million blocks
  • retargets every 20 blocks (~30 minutes)
  • 2% max. change on every retarget
  • advanced averaging: 100 + 500 blocks 0.1 damped
  • advanced checkpointing against 51% attacks

DOWNLOADS
– Windows
– Linux

Source Code
– at GitHub

PORTS

  • RPC Port: 9554
  • P2P Port: 9555

POOLS
https://www.multipool.us/
https://pxc.d2.cc/
http://pxc.minepool.net/
https://pxc.nut2pools.com/
http://pxc.broken-arrow.pl/

EXCHANGES
– C-Cex
– Bleutrade

Paycoin (PYC) Scrypt based cryptocoin

1, Feb 2014

paycoin-scrypt-crypto

PayCoin (PYC) is a peer-to-peer (P2P) Internet currency that enables instant payments to anyone in the world. It runs off the popular scrypt protocol which gives it unmatched stability and easy accessibility. PayCoin uses memory-hard, scrypt-based mining with both proof-of-work and proof of stake algorithm to target the regular computers and GPUs most people already have. The PayCoin network is scheduled to produce 30 million currency units.

Website
– http://www.paycoin.co/

Block Explorer / Crawler
Not Available.

SPECIFICATIONS

  • Scrypt Algorithm
  • Proof of work / Proof of stake
  • Support transaction message
  • Fair start, no premine
  • No transaction fee
  • Diff re-target every block
  • 3 coins per block
  • 60 seconds block time
  • 5 confirmations for transaction
  • 60 confirmations for minted blocks
  • Total 30 million coins to be mined

DOWNLOADS
– Windows

Source Code
– at GitHub

PORTS

  • RPC Port: 9289
  • P2P Port: 9288

POOLS
– http://pay.coinmine.pl/
– http://pyc.botpool.net/

EXCHANGES
– C-Cex
– Bleutrade


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