This is good for bitcoin because
Who said it's good? This is awful.
Dont worry Parazyd, I have seen lately
a lot of ignorants who dont have a clue about BTC and also dont give a fuck.
blockchain.info/de/double-spendsBitcoin is facing a serious threat.
Yes, you are one of them.
Any private key holder could create double spend attampts. It has nothing to do with mining