Browsing the "51% Attacks" Tag

What a Bitcoin ‘Reorg’ Is and What Binance Has to Do With It

| Christine Kim

The suggestion to reverse transactions on the bitcoin blockchain has caused an uproar on social media with several community members espousing such…

51% Attacks for Rent : The Trouble with a Liquid Mining Market

| Anthony Xie

As the global pool of hashing power grows more liquid, arbitrageurs may see a financial incentive in "rent-a-miner" attacks.

weight, numbers

The Ethereum Classic Attacker Has Sent a Bigger Message

| Michael J Casey

If a permissionless blockchain doesn’t have a large enough community of users, developers and miners, its vulnerable, writes Michael J. Casey.

Exchange Says 51% Attacker Returned $100K-Worth of Ethereum Classic

| Yogita Khatri

Cryptocurrency exchange said Saturday that $100,000 in ethereum classic has been returned following a recent 51-percent attack.

shadow, keyboard

This College Freshman Is Out to 51% Attack Your Cryptocurrency

| Brady Dale

A young crypto enthusiast is 51% attacking cryptocurrencies – not to steal coins – but to show people these coins are vulnerable and over-valued.

A Solution to Crypto’s 51% Attack? Fine Miners Before It Happens

| Rachel Rose O'Leary

After losing money during a 51 percent attack earlier this year, crypto project Horizen claims to have a solution to crypto's famed vulnerability.

glass, car, steal

Blockchain’s Once-Feared 51% Attack Is Now Becoming Regular

| Alyssa Hertig

At least five cryptocurrencies have recently been hit with a 51% attack, a vulnerability users used to scoff at.

money, suspicion

Verge’s Blockchain Attacks Are Worth a Sober Second Look

| Alyssa Hertig

Privacy-oriented cryptocurrency verge has dealt with several attacks recently, displaying how difficult it is to code blockchains without exploits.

monster, flower

Bitcoin’s Bogeyman Cometh: Why Segwit2x Is a 51% Attack

| Edan Yago

Bitcoin startups must have the tech's best interests in mind? Entrepreneur Edan Yago argues that in the case of Segwit2x, this has proven untrue.


As Bitcoin Halving Approaches, 51% Attack Question Resurfaces

| Frederick Reese

Upcoming changes to how bitcoin incentivizes key participants have stoked fears a 51% attack could again become viable.