Submissions can also be cached during transient network outages. Bitcrystals is a full-fledged cryptocurrency that can be exchanged for Bitcoin or other altcoins. After the rapid rise in the cost of bitcoin at the end of , users started searching for new ways to earn BTC, and one of the easiest way to do it is by playing games. Its pool is also among the oldest in existence. According to the developers, after the extraction of all available tokens mined during combat scenes , the currency will become full-fledged and independent of the Ethereum.