Grandcoin [GDC] : a fast and secure cryptocurrency

About Grandcoin GDC

Grandcoin [GDC] is currently a Proof-of-Work (PoW) crypto-currency using the Scrypt algorythm. 

It will switch to Proof-of-Stake (PoS) in 2019 after a PoW/PoS transition period.

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DOWNLOADS

Windows Wallets

Clean Wallet (synchronizes the blockchain since launch in July 2013 – expect a 6 to 9 hours sync):

Wallet with bootstrap (download the blockchain from launch in July 2013 to October 2018):

Linux Wallets

Clean Wallet (Built on Ubuntu 16.04 LTS)

Mac OS Wallets

Non official – Powered by @stork1

Paper Wallet

Paper wallet generator

MINING

GRANDCOIN.CONF SAMPLE

in your AppData/Roaming/Grandcoin folder :

listen=1
server=1
daemon=1
rpcuser=yourUsername
rpcpassword=yourPassword
rpcallowip=10.1.1.*
rpcport=12378
addnode=51.68.44.112
addnode=coins.prohashing.com:6057

MINING POOLS

iSpace

BLOCKCHAIN

BLOCK EXPLORERS

In-house Block Explorer

External Block Explorer – Prohashing :

MARKET CAP

coinmarketcap.com

TECHNICAL SPECIFICATIONS

GDC SPECS

Scrypt – Proof-of-Work
Launch : July 2013
0% premine
45 second block time
6 blocks transaction confirmation
50 minted block maturity
30 block difficulty retarget
Accelerated diff re-targeting
Supports transaction messages
Reward halves every 700800 blocks
Transaction fees : 0.1%
45 sec block
Expect total 1,420,609,614 coins

!MINING RANDOM BONUS REWARDS!
Every day : 1 SuperBlock of 5000-10000 coins
Every week : 1 MonsterBlock of 50000-100000 coins