Matt Green, a Johns Hopkins University professor specializing in cryptography and the security and anonymity of Bitcoin, said whatever mitigations there may be, GHash's 51-percent stake is a ...

At press time, Ghash.io accounted for roughly 48% of the bitcoin network's total hashing power, according to figures from Blockchain.info. The second most powerful pool, Discus Fish, holds 11% of ...

Should Ghash.io reach and maintain 51% of the bitcoin network, the mining pool would theoretically be able to perform certain actions uncontested, such as double spending individual bitcoins, ...

In the plan, “Ghash.io promised to allow Cex.io customers point their hashing power towards other pools to mitigate the blatant centralization of mining power under one pool,” but as recent ...

GHash, and its related exchange, CEX.IO, ask other mining pools to follow its example in their statement. Merely committing to not cresting the 51% mark isn’t a long-term safeguard, however.

Bitcoin pool GHash.io announced on Wednesday that “it is not aiming to overcome 39.99 [percent] of the overall Bitcoin hashrate.". This marks a clear departure from the large pool’s recent ...

Andreas Antonopoulos, chief security officer at Blockchain.info, downplayed the GHash share, writing on Twitter, “I do not worry about a 51% attack on bitcoin.

It looks like the GHash.IO mining pool is getting too big for its britches for the Bitcoin community—and by that it means that the pool-based Bitcoin mining concern is rapidly approaching the dreade ...