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1  Alternate cryptocurrencies / Announcements (Altcoins) / [ANN] Sugarchain [CPU] Launching 2019/08/24 15:00 UTC on: August 21, 2019, 08:41:56 PM
Sugarchain
one-CPU-one-vote, the world's fastest PoW blockchain  
https://sugarchain.org




The meaning of Yumekawa
Sugarchain's first node software is called Yumekawa (夢川). It can be translated in some ways.
  • "Yume (夢)" means dream and "Kawa (川)" means river. So it's Dream River in japanese.
  • The second letter "Kawa" stands for "Kawaii (可愛い)". In this case the meaning is Dreamy Cute.
  • Also Yumekawa replaces the word Core (ie: Bitcoin Core). We think it sounds a bit centralized.


Specifications
  • Block time: 5 seconds
  • Difficulty: SugarShield-N510 (based on Zcash's modification of Digishield)
  • Block reward: 42.94967296 SUGAR
  • Halving interval: 12,500,000 Blocks (approx. 2 years)
  • Total supply: 1,073,741,824 SUGAR
  • PoW algorithm: YespowerSugar (based on Yespower 1.0.1)
  • Port: 34230 (RPC 34229)
  • Premine: None (No ICO, No Presale, No Founder's Rewards)


The world's fastest PoW blockchain
  • 5 seconds transaction speed:
    • 120x faster than Bitcoin
    • 30x faster than Litecoin
    • 12x faster than Dogecoin
  • Stable transaction time:
    • Even if the hash power suddenly increases, the block time remains 5 seconds. It is against hash attacks.
  • Don't worry about orphan blocks:
    • According to the testnet results, the average orphan rate is under 3% and no problem occurs.


A better halving
  • Halving is everything:
    • Bitcoin is valuable because its total supply has been strictly limited, unlike traditional currencies.
    • This total supply is controlled only by that halving. There is nothing else.
    • We made this halving better.
  • Block reward:
    • The block reward should be to a power of two, so that it halves correctly.
    • ie) 2^32/100000000 = 42.94967296 SUGAR
  • Halving schedule:
    • Interval 12500000 blocks (5^8*32) which is about 2 years (exactly 1.9818619989852864... years).
    • The total number of times halving will occur is 33 times, over the span of 66 years.
  • Total supply:
    • 1073741824 SUGAR in theory, and 1073741823.875 SUGAR in actual.
    • The difference is 0.125 SUGAR. One Satoshi (0.00000001) limitation makes this difference. In addition, this number is meaningful. FYI: 1 GB = 1073741824 Byte (2^30).
    • The total supply of Sugarchain is about 51 times greater than Bitcoin.
  • Halving Chart:
  • Halving Table:


one-CPU-one-vote
Quote
"31/Oct/2008 Proof-of-work is essentially one-CPU-one-vote"
Satoshi Nakamoto talked about the importance of decentralized mining in his whitepaper. We want to create a blockchain that anyone can do mining easily without any entry barriers.

  • CPU mining only:
    • YespowerSugar (based on Yespower 1.0.1) is only for Sugarchain, not compatible with other Yespower coins.
    • The minimum difficulty (powlimit) is set low enough for two reasons. The first is to handle fast block time; The second is to allow mining on slow CPUs.
  • Mining efficiency:
    • According to the test results, the most efficient is using 8 threads on a single CPU.
    • YespowerSugar is more suitable for older CPUs, because it is essentially a multi-threading resistor. Suitable for smartphones and raspberrypi.
  • NO GPU: GPU mining is not possible.
  • NO ASIC: ASIC mining is not possible.


Other advantages
  • Native segwit (Bech32) address built-in by default: Starting with sugar1q...
  • Fast blockchain synchronization: Using sha256d in header indexing, the initial synchronization speed is as fast as Litecoin


FAQ
  • Disk space requirements:
    • Blockchain size growth is around 10 MB per 1 day and 3.65 GB per year.
  • Network rules:
    • To prevent fraud and timestamp attacks, nodes should be within 70 seconds of accurate internet time, or they will be banned.
  • Selfish mining & time warp attack:
    • Fraud techniques for manipulating timestamps are already known. We use a future time limit (FTL) to prevent this. Blocks that differ 60 seconds or more from the current head will be banned. (credit: zawy12)
  • Exchange listing:
    • We do not have a listing plan at this moment. However, it will be discussed in our community and will be listed in the future. If you have any suggestions for exchange websites, contact us.


Appendix


Wallet


Cpuminer
Bech32 address is by default and strongly recommended. -t1 uses 1 thread. If you want more hash, increase this number.



Pools
Please contact us if you have a new mining pool.


Explorer


Exchanges


Community
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