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Author Topic: [CENTER][B][SIZE=18pt]OCTCOIN (OCT) — SHA-512 Proof-of-Work]  (Read 70 times)
AshataNakaawa26 (OP)
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March 28, 2026, 08:30:13 PM
 #1


"[Ashata Nakaawa] The Times 29/Mar/2026 — Digital currency challenges traditional banks"



What is Octcoin?
Octcoin is a new proof-of-work cryptocurrency based on Bitcoin Core, secured by the SHA-512 double hashing algorithm (SHA512d). It is designed for fair mining and decentralized distribution from day one.



Genesis Block
Code:

# ./genesis_miner.exe
================================================================
  OCTCOIN GENESIS MINER SHA512 (Pure C++)
================================================================
  timestamp : [Ashata Nakaawa] The Times 29/Mar/2026 Digital currency challenges traditional banks
  pubkey    : 0417e50200999353e798931f...
  time      : 1774724992
  bits      : 0x1d003fff
  value     : 5000000000 ata
  threads   : 8
  merkle    : 34eaea01d449a8b07dad71bab9aa0c95be0855c2a4c1aa379906b4c27dc4c7aa
================================================================

  Target    : 000000003fff0000000000000000000000000000000000000000000000000000

[8 CPUs] [..............................] 13.86M H/s | total: 27.71M | elapsed: 2s | ETA: 0.1h

================================================================
  GENESIS FOUND !
================================================================
  nonce        : 40882966
  genesis hash : 0000000012b27e5c13e35cf4de35b4379eeaea34c092d5aa24a30bdb1a9485e6
  merkle root  : 34eaea01d449a8b07dad71bab9aa0c95be0855c2a4c1aa379906b4c27dc4c7aa
  time         : 1774724992
  bits         : 0x1d003fff
  elapsed      : 3.0 sec
================================================================

  Copy into src/kernel/chainparams.cpp :

  genesis = CreateGenesisBlock(1774724992, 40882966, 0x1d003fff, 1, 50 * COIN);
  assert(consensus.hashGenesisBlock == uint256{"0000000012b27e5c13e35cf4de35b4379eeaea34c092d5aa24a30bdb1a9485e6"});
  assert(genesis.hashMerkleRoot == uint256{"34eaea01d449a8b07dad71bab9aa0c95be0855c2a4c1aa379906b4c27dc4c7aa"});



Network Parameters
  • P2P Port: 8555
  • RPC Port: 8554
  • Algorithm: SHA-512
  • Block Reward: 5000000000 ata


I reduced the difficulty to 0.25 (0x1d003fff) compared to Bitcoin 1. Initially, blocks will be found in less than 2 minutes, but as the difficulty adjusts, the block time will be adapted accordingly.



Telegram Community
[https://t.me/OctcoinCommunity]
[https://t.me/OctcoinCommunityChat]

Discord Community
[https://discord.gg/33G9XmeD4]

I am available here ashata.nakaawa@gmail.com for any questions and construction.

Mining starts now. Join the network.
unnamed0simple
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March 28, 2026, 10:04:03 PM
 #2

block time?
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