Ethereum Classic hit by second 51% attack in a week

A hacker managed to reorganize over 4,000 blocks again on Ethereum Classic’s blockchain, according to Bitfly.

Is ETC 102% Screwed After Second 51% Attack?

Ethereum Classic has suffered its second 51% attack in a week after 4,000 blocks were reorganized earlier today. Ethereum Classic (ETC) has suffered a second 51% attack in less than one week, bringing the ongoing security of the network into question. On August 6, Etherchain.org tweeted that its affiliated mining pool Ethermine had disabled ETC pool payouts after more than 4,000 blocks had been reorganized in the latest attack on Ethereum Classic. It is not known if it is the same hacker or a copycat attack inspired by the first attack.  ETC’s security called into question In response to the increasing velocity of 51% attacks targeting Ethereum Classic, Ethereum co-founder Vitalik Buterin tweeted: “ETC should just switch to proof of stake.

Ethereum Medalla Testnet Launch Suffers Block Finality Issue

The Ethereum Medalla Testnet launched, but it is not yet achieving the participation it needs. The Ethereum Medalla testnet launch, scheduled for 1pm UTC, did not proceed as smoothly as expected. While the network launched successfully and proposed a sufficient number of blocks at the supposed genesis time, participation rate was a mere 57%; much lower than the expected 80%. This means that only 57% of the stake is being deployed to validate the network.

Did Bad Internet Cause Ethereum Cash’s (ETC) 3,693 Blockchain Split?

The Ethereum Classic (ETC) blockchain was subject to some rearrangement on August 1, as 3,693 of its blocks were “reorged” in what was first thought to be a 51% attack.

Researcher finds more of Satoshi Nakamoto's lost Bitcoin fortune

A blockchain researcher has discovered more Bitcoin blocks likely mined by Satoshi Nakamoto, and provided some clues as to why he kept mining.

$10.9 Billion Bitcoin Stash Proves Satoshi Is Still the Biggest Whale

Analysts estimate Satoshi mined $10.9 billion worth of Bitcoin to keep the network safe but will these BTC ever be spent? A recent report by blockchain tracking and analytics provider, Whale Alert, revealed that the miner known as Patoshi mined over $10.9 billion or 1,125,150 BTC during Bitcoin’s infancy in order to protect the network from a 51% attack.  Patoshi has been confirmed to be the anonymous Bitcoin creator known as Satoshi and the early blocks mined by Patoshi also include the first BTC transaction to Hall Finney, a well known developer and early Bitcoin contributor. Whale Alert was able to come to this conclusion by reviewing previous research conducted by independent researcher and cryptographer Sergio Lerner.

On-Chain Bitcoin Scaling En Masse Requires Bigger Blocks, Abra CEO Says

Bitcoin can scale as an adopted store of value using second-layer solutions, but not on-chain with its current technology says Abra’s CEO. Bill Barhydt, CEO and founder of the Abra digital finance wallet and exchange app, said he sees Bitcoin’s (BTC) blockchain struggling when it comes to on-chain mass adoption of the asset as a store of value, given the asset’s current technology.  “Bitcoin can certainly scale ‘off-chain’ today via third-party custodians such as exchanges and wallets like Abra or other so-called second-layer technologies such as Lightning,” Barhydt told Cointelegraph on July 15.   He added: “When held in that manner Bitcoin’s scalability is probably limitless.

Bitcoin Difficulty Touches All-Time High, 120 Exahash of Hashpower Remains Strong

The network difficulty for the Bitcoin network spiked over 9.8% on Monday bringing the difficulty to its highest point ever.