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.
OKEx, the 2nd most popular cryptocurrency exchange by trading volume, launched its platform token ‘OKB‘ today with 10 trading pairs. On its official support page, OKEx describes OKB is a global utility token issued by the OK Blockchain Foundation. The total available supply of OKB will be one billion tokens (1,000,000,000), with a distribution model that allocates 60% of the supply will be given out to OKEx customers for community building and during marketing campaigns. According to OKEx, the company had officially issued OKB on ERC20 protocol earlier this month. The company denied ICO (initial coin offering) and public fundraising. Reportedly the company had stated that it would be soon shifting the token to its official OK chain and subsequently it will be applied not only on OKEx’s platform but also on other related projects. There will be in total 1 billion tokens supplied globally out of which 600 million coins will be distributed to OKEx customers for community building and marketing campaigns. Rest will be locked up for a period of 1 year to 3 years. According to OKEx, the company had officially issued OKB on ERC20 protocol earlier this month. The company denied ICO (initial coin offering) and public fundraising. Reportedly the company had stated that it would be soon shifting the token to its official OK chain and subsequently it will be applied not only on OKEx’s platform but also on other related projects. There will be in total 1 billion tokens supplied globally out of which 600 million coins will be distributed to OKEx customers for community building and marketing campaigns. Rest will be locked up for a period of 1 year to 3 years.