A System that stores Coin Hours in an address owned by Skycoin and allows users to transact Coin Hours off-chain without incurring a Coin Hour burn, whereby preventing the congestion of the blockchain.
Accrued by holding Skycoin, Coin Hours are the payment mechanism for services on the Skycoin platform.
Skycoin, along with other Fiber tokens generate Coin Hours. SKY Hours for Skycoin specifically.
CoinJoin is a protocol for joining together transactions from different wallets and thereby allows sending CoinHours without sending Skycoin. It can also be used for anonymising transactions.