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updated $0Market cap$2.71M
Volume 24h$0.04
Circulating supply64.36M
BlackCoin (ticker BLK) is one of the earliest cryptocurrencies built around a pure proof-of-stake system — instead of miners burning electricity, the network is secured by coin holders who stake their BLK. Launched back in 2014, it started with a brief mining phase and then switched entirely to staking, which was a big deal at the time. In plain terms, it's a digital coin designed to be fast, cheap to run, and maintained by its own community rather than by mining farms.
Frequently asked questions
What is BlackCoin and how is it different from Bitcoin?
BlackCoin (BLK) is a peer-to-peer digital currency created in 2014. Its main difference from Bitcoin is the consensus model: Bitcoin relies on proof-of-work mining, while BlackCoin uses pure proof-of-stake, so there's no energy-intensive mining after the initial launch phase. Transactions also confirm faster — around a minute on average.
How does BlackCoin's proof-of-stake work?
Instead of miners solving puzzles, BLK holders run a wallet with unlocked coins and the network periodically picks a staker to forge the next block. Your chance of being chosen depends on how many coins you hold, so securing the network doesn't require specialized hardware. This makes BlackCoin one of the first projects to prove that PoS can sustain a blockchain on its own.
How is BlackCoin's supply and emission structured?
BlackCoin had a short proof-of-work launch period in 2014, after which no new coins are created through mining. The ongoing emission is small and steady: stakers earn roughly a fixed annual percentage as a reward for securing blocks. There's no hard cap like Bitcoin's, but the inflation rate is low by design.
How can I store and use BlackCoin?
BLK is stored in the official BlackCoin wallet, which you download from the project's site, blackcoin.co — keeping the wallet online and unlocked also lets you stake and earn rewards. The coin is traded on various exchanges under the BLK ticker, so you can buy, send, or swap it like any other cryptocurrency. As always, keep backups of your wallet keys.