DataCoin technical FAQ

DataCoin(DTC) forked from PrimeCoin, and has the following differences:

• Arbitrary binary data can be added to each transaction, up to 128kb per transaction. Block size is limited to 1MB. So you can write per Block: 

up to 1MB of data inside 8 fully loaded transactions
up to 1024 transactions without extra data

• Network generates 1 block per minute, so maximum disk space per year is: 

1Mb(max block size) * 60 minutes * 24 hours * 365 days = no more than 513Gb per 1 year

• Minimum transaction fee is 0.05 DTC and you pay 0.05 DTC for each KB of data. 

1 MB of data costs:
1024KB*0.05DTC = 51.2DTC
Minimum transaction fee can be adjusted in the future, though each miner and pool can setup own minimum fee and accept only transactions with fee > his minimum fee. So transactions with 0 fee can never reach destination. Sender pays fee and it goes to miners i.e fee is distributed between nodes supporting Datacoin network proportionally to their mining power. Fee from fully loaded block is about 50DTC.

• Minted coins are immature, you have to wait for 3200 confirmation before you can use them. It takes ~2 days. 
• Upper cap of coins is 2 billion, with current difficulty and block rewards(rapidly decreasing) this limit will be reached in 400 years, but really it will take much more time, because of difficultly increase.
• There are RPC for send data to network and retrieve it, you can use this perl library: https://github.com/foo1inge/datacoin-browser
• If you have any problems with network connection, please check the official list of fresh nodes: http://datacoin.info/addnodes and make sure you use the latest DataCoin client