Dogecoin (DOGE) is an open-source peer-to-peer cryptocurrency reported to be . As a fork of the source-code of Litecoin (LTC), its first block was mined in December 2013.
To prevent competition with Litecoin's mining pools (also using the Scrypt hashing function), Dogecoin (DOGE) transitioned to Auxiliary Proof of Work (AuxPoW) and has been merged-mined with Litecoin since August 2014.