Nevacoin
The first decentralized cryptocurrency ever to be created as a gift for someone's birthday. At 1457344680 unix time is my girlfriend's 25th birthday (her name is Neva if that isn't obvious) and since she is abroad at the moment I figured this is the best gift I can give her remotely. Who wouldn't want a global decentralized peer to peer network cryptocurrency platform named after them as a birthday gift, right? Don't worry, I will also give her a less geeky gift when she comes back
Genesis block:
const char* pszTimestamp = "Happy 25th birthday Neva!!!";
genesis.nTime = 1457344680;
The coin was successfully launched on March 7th, 9:58AM (GMT) and is available for mining (for the next 14years) and staking since day one.
Name meaning:Gender: F Meaning of Neva: "white snow" Origin of Neva: Spanish
What is the purpose of this coin?-
0% PoS, fixed block rewards ensure predictable supply increase.
- Unlike most of PoW/PoS Hybrids, this one will have a
very long PoW phase. The network will stop accepting PoW blocks in approximately 14 years. The goal is to gain a mining chance, even to people that stumble upon it years later in the future.
- Gain some interest from the female half of the population (starting with Neva). Lets be honest the cryptocurrency community is still a sausage fest
-
Blake2s mining algorithm.
- Blake2s PoS block hashing - friendly to low end hardware. Raspberry-Pi nodes...etc.
- Slow emmision. The PoW and PoS reward is 5 NEVAs. The reward will halve for both at block height 2628000. That is approximately 7 years until the first halving. After the second halving at block height 5256000 the PoW phase will be over, continued only by PoS with 1.25 NEVA reward, which will halve again in 2628000 blocks...etc.
- The low reward and long PoW phase is meant to avoid the insta-mine by handful of people.
Coin specifications:Ticker: NEVA
Type: PoW/Pos2.0 hybrid
PoW algorithm: Blake2s (
read more)
Difficulty retarget: Every block
Block target: 91 seconds
Block reward: 5 NEVA (both PoW and PoS have static rewards)
Max block size: 4MB
Coinbase maturity: 25 blocks
Block reward halving: every 2628000 blocks (approx 7 years, probably less)
Last PoW block: 5256000 (in approx 14 years)
PoS start: from the first block
Minimum PoS age: 4 hours
Maximum PoS age: no max (PoS 2.0)
Max coins: 26 280 000 NEVAs (this amount will be reached at block 131400000, or in roughly 350 years)
Sum of the mining/staking schedule:
Halvig phase Block Reward New coins created Total coins created Approx Time (years)
0 5 13140000 13140000 7
1 2.5 6570000 19710000 14
2 1.25 3285000 22995000 21
3 0.625 1642500 24637500 28
4 0.3125 821250 25458750 35
5 0.15625 410625 25869375 42
6 0.078125 205312.5 26074687.5 49
7 0.0390625 102656.25 26177343.75 56
8 0.01953125 51328.125 26228671.88 63
9 0.009765625 25664.0625 26254335.94 70
10 0.0048828125 12832.03125 26267167.97 77
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Network info:P2P port: 7391
RPC port: 3791
Testnet P2P port: 17391
Testnet RPC port: 13791
Seed nodes are hard coded.
QT GUI Wallet Features:-Integrated block explorer
-Two themes, default light theme and an optional funky dark theme
Daemon features:-coockie authentication
- You do not need the rpcuser/password parameters in the nevacoin.conf to run the daemon. You can still use them if you want, but if they are not provided an authentication cookie file will be generated in the .nevacoin directory and also deleted on shutdown. So one less thing you have to do if you want to run a headles node for staking.
Basic setup for daemon in nevacoin.conf file is:
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