What is BlackCoin?
BlackCoin is a peer-to-peer cryptocurrency with a distributed, decentralized public ledger similar to Bitcoin. BlackCoin uses a proof-of-stake system and is open-source.

Differences between Bitcoin and Blackcoin
Each BlackCoin confirmation time takes under a minute, compared to Bitcoin confirmation times of about 10 minutes.

BlackCoin’s Proof of Stake system secures the protocol through an efficient, decentralized process called “minting”, while Bitcoin uses a mining process that has been well documented as expensive and energy-intensive.