Gas is one of the two coins created by Neo Foundation. Gas is used as a processing fees for Neo coin. Neo hashing algorithm is Proof of Stake (PoS), where blocks processing power depends on the amount of tokens held by miners instead of the Proof of Work method which depends on the mining power that a miner has to create a new block. Neo holders is compensated with certain amount of Gas every month, is a similar concept to the ether gas and is used as a power for transaction (transaction). It is a coin that is paid as compensation of a concept of interest generated by PoS mining. At the beginning of the release, about one Neo was paid per day with 1000 Neo, but it has a design algorithm that is gradually decreasing over time, which is offset by the price increase. It is a coin that is closely related to Neo, walking along the path of the companion with the rise of Neo, and it forms a necessary relationship that the movement must be moving in a fluid manner.
Auroracoin is a cryptocurrency for Iceland that is launched in February 2014. It is 50% premined and the coins will be distributed free-of-charge to all 330,000 citizens of Iceland via an airdrop starting from the midnight of 25th March 2014. Auroracoin is created as an alternative to the Icelandic krona. The movement of krona is severely restricted by the government and its value has dropped significantly against gold and the dollar since 1960. Each Icelandic national will receive 31.8 auroracoins during the airdrop. The creator of auroracoin goes by the pseudonym Baldur Friggjar Odinsson. Aurorcaoin is a clone of Litecoin.