Dogecoin becomes second largest PoW cryptocurrency

Meme-inspired cryptocurrency Dogecoin (DOGE) is now officially the second largest proof-of-work (PoW) crypto in terms of market cap, following the Ethereum network’s proof-of-stake upgrade on Sept. 15.  Bitcoin (BTC) of course remains miles ahead of Dogecoin’s market cap of $7.83 billion, though the well-followed memecoin is still comfortably ahead of the third place PoW cryptocurrency Ethereum…