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Sum of median estimated savings and rewards earned, per user in 2021 across multiple Coinbase programs (excluding sweepstakes). This amount includes fee waivers from Coinbase One (excluding the subscription cost), rewards from Coinbase Card, and staking rewards.
About BLK and SPA
BlackCoin is climbing, while Sperax is falling this week. The current BLK to SPA conversion rate is 14.91. Inversely, this means that if you convert 1 SPA you will get 0.06709 BLK. The conversion rate of BLK/SPA has decreased by 0.62% in the last hour (SPA/BLK increased by 0.62%). In the last 24 hours, BLK/SPA grew by 3.85%, while SPA/BLK shrunk by the same amount.
The exchange rate of BlackCoin is increasing. The current value of 1 BLK is 14.91 SPA. In other words, to buy 5 BlackCoin, it would cost you 74.53 SPA. Inversely, 1 SPA would allow you to trade for 0.06709 BLK while 50 SPA would convert to 3.35 BLK, not including platform or gas fees.
In the last 7 days, the exchange rate has increased by 11.01%. Meanwhile, in the last 24 hours, the rate has changed by 3.71%, which means that the highest exchange rate of 1 BLK to SPA was 15.84 SPA and the lowest 24 hour value was 1 BLK for 7.72 SPA. Last month, 1 BLK was worth 16.34 SPA. Today, it's down 9.63%. Looking back a year, BlackCoin has changed by 3.69 SPA. That means that in a single year, the value of BlackCoin has grown by 75.24%.
BlackCoin Market Stats
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.
Sperax Market Stats
SPA is the governance token of the Sperax ecosystem. Sperax is a DeFi protocol built on Arbitrum that mints Sperax USD - a stablecoin featuring ‘auto-yield’ generation. SPA tokens must be staked in order to participate in the Sperax DAO. Sperax ecosystem is governed by community of SPA stakers or veSPA holders, who make up Sperax DAO.
Conversion tables
BLK to SPA values from Today at 5:05 pm
0.5 BLK = 7.45 SPA |
1 BLK = 14.91 SPA |
5 BLK = 74.53 SPA |
10 BLK = 149.05 SPA |
50 BLK = 745.26 SPA |
100 BLK = 1,490.52 SPA |
500 BLK = 7,452.60 SPA |
1,000 BLK = 14,905.21 SPA |
SPA to BLK values from Today at 5:07 pm
0.5 SPA = 0.03355 BLK |
1 SPA = 0.06709 BLK |
5 SPA = 0.3355 BLK |
10 SPA = 0.6709 BLK |
50 SPA = 3.35 BLK |
100 SPA = 6.71 BLK |
500 SPA = 33.55 BLK |
1,000 SPA = 67.09 BLK |
BLK to SPA over time
BLK | Today | 24H 3.71% | 1M -9.63% | 1Y 75.24% |
|---|---|---|---|---|
0.5 BLK | 7.45 SPA | 7.18 SPA | 8.17 SPA | 1.85 SPA |
1 BLK | 14.91 SPA | 14.35 SPA | 16.34 SPA | 3.69 SPA |
5 BLK | 74.53 SPA | 71.76 SPA | 81.71 SPA | 18.45 SPA |
10 BLK | 149.05 SPA | 143.53 SPA | 163.41 SPA | 36.91 SPA |
50 BLK | 745.26 SPA | 717.65 SPA | 817.06 SPA | 184.53 SPA |
100 BLK | 1,490.52 SPA | 1,435.30 SPA | 1,634.11 SPA | 369.06 SPA |
500 BLK | 7,452.60 SPA | 7,176.48 SPA | 8,170.56 SPA | 1,845.30 SPA |
1,000 BLK | 14,905.21 SPA | 14,352.96 SPA | 16,341.13 SPA | 3,690.60 SPA |
Frequently asked questions
Right now, 1 BlackCoin is worth about $0.0399.
Based on the current rate, you could get 25.06 BLK for 1 USD.
You can use our BLK to USD calculator at the top of this page to convert any amount of BLK to USD. We've also created a couple of quick reference tables for the most popular conversions. For example, 5 USD is equivalent to 125.31 BLK. Inversely, 5 BLK will cost about $0.1995
BlackCoin can be custodied on Coinbase Wallet. Check out our guide to get more detailed instructions on how to buy BlackCoin.
There are a number of crypto assets that have the a similar or comparable market cap to BlackCoin, including Maxcoin, PetroDollar, and 42-coin. For a more robust list of assets to explore, jump to the asset page dedicated to BlackCoin.
Buy BlackCoin with Coinbase
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This content is being provided to you for informational purposes only, does not constitute an offer, or solicitation of an offer nor a recommendation by Coinbase to buy, sell, or hold any security, financial product, or instrument referenced in the content, and does not constitute investment advice, financial advice, trading advice, or any other sort of advice. Data presented may reflect asset prices traded on the Coinbase exchange as well as other cryptocurrency exchanges and market data platform. Coinbase may charge fees for the processing of cryptocurrency transactions which may not be reflected in the conversion prices displayed. Coinbase is not liable for any errors or delays in content, or for any actions taken in reliance on any content.




