BlackCoin started of as a Proof of Work coin but has evolved to a unique version of Proof of Stake. Wallet users can unlock wallet for staking only. BlackCoin features the following specifications: - Extremely secure: Among first with fix on SSL heartbeat, Transaction malleability, BIP66 - The probability to sign a block and the block reward does not depend on coinage (anymore). - Recommended confirmations: 10, maturity: 500 - Minimum transaction fee: 0.0001 BLK - Defined block time target: 64 seconds - Max reorganization depth: 500 blocks - Inflation: about 0.95%. - PoS block reward: 1.5 BLK + fees - The accumulated reward is proportional to the total balance and the time of staking. 24/7 staking at current network weight leads to an expected reward ratio (interest rate) of about 5%. - BlackCoin rewards users who supports the blockchain through continuous staking.
Einsteinium (EMC2) is a new cryptocoin with the tagline 'Cryptocurrency with Wormholes'. The goal of Einsteinium is to help invest in the future and fund scientific researches. The Einsteinium Foundation is setup to help raise funds from the community to fund interesting scientific projects. Einsteinium claims no coins have been pre-mined since its inception. It is powered by the Kimoto Gravity Well to ensure fair difficulty adjustment to protect themself from heavy weight miners. In order to fund the Einsteinium Foundation, all mined blocks will make a compulsory 2.5% donation to the foundation fund. The community will then vote as to which scientific project should be funded. EMC2 coin has wallet for all major platform which includes Windows, Mac, and Android.