The 51% Attack Nightmare Scenario (Isn’t That Bad)
An accessible, in-depth look at what's really at risk when Proof-of-Work or Proof-of-Stake blockchains suffer the dreaded 51% attack.
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While bitcoin may not be facing a "nightmare" scenario as indicated by the media, digital currency users are now paying higher-than-average fees and waiting longer for transactions to confirm due to an unknown disruptive network user. The incident has sparked a flurry of questions about the nature of the increased transaction load on the network as it comes amid the ongoing debate over scaling the bitcoin network. Known as the "block size debate", the issue has fragmented the bitcoin community into two camps: Bitcoin Core, the network’s volunteer developers, who are seeking to change to....
Coil whine: it’s not just a problem for PC gaming enthusiasts anymore. A recent paper outlines an attack vector for capturing RSA keys by analyzing the noises, RF variations, or electromagnetic changes produced from computers as they do intense computational tasks. Of particular note is their work capturing RSA keys with sound. This so-called ‘coil whine’ is loud and regular enough to be picked up by a cell phone mic attached to an AM radio from as much as a foot away, or over thirty feet using more sophisticated equipment. The process takes time, isn’t stealthy, and isn’t exactly....
UK based banking institutions are keeping Bitcoin reserves for potential ransom payouts to hackers in the case of a cyber attack. Last week the internet witnessed what could probably be the largest attack till date. Many reputed online services across the world were hit by a DDOS attack, leaving them inaccessible for hours. As cyber threats continue to rise, the banking institutions in London are preparing themselves for the worst case scenario. The DDoS attack, to which companies like Twitter, Netflix, Spotify, Reddit and more fell victim was found to be launched using a special code. The....
Shark Tank star and the owner of the NBA team Dallas Mavericks, Mark Cuban, has warned that the U.S. Securities and Exchange Commission (SEC) will come up with rules for token registration that will be “the nightmare that’s waiting for the crypto industry.”
Mark Cuban Foresees SEC Coming Up With ‘Nightmare’ Crypto Regulation
Billionaire Mark Cuban, the Shark Tank star who owns the NBA team Dallas Mavericks, warned in a tweet Saturday about how the SEC will regulate crypto tokens.
His warning was in response to a tweet by U.S. Senator....
On October 21 the Internet suffered a severe Distributed Denial of Service (DDoS) attack. In fact, reports say nearly half the Internet was incapacitated with sites like Twitter, Reddit, Netflix and more temporarily shut down. Although the state of the web looks grim, the rise of blockchain technology may be able to deter DDoS assaults significantly.....