Rise of Powerful Mining Pools Forces Rethink of Bitcoin Design

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To continue reading this article, please exit incognito mode or log in. Visitors are dogecoin mining pool software designers 3 free articles per month without a subscriptionand private browsing prevents us from counting how many stories you've read. We hope you understand, dogecoin mining pool software designers consider subscribing for unlimited online access. All day Friday, a bitcoin-mining company known as GHash. IO was in a position to blockade transactions or spend bitcoins more than once.

Contributing computing power to the network is rewarded with newly minted bitcoins, so a considerable industry has grown around the practice. Nakamoto had foreseen how such an attack could work, but he had designed the system under the assumption that it would be impractical for anybody to amass so much computing power. In fact, as the currency has grown in value, a handful of very large players such as GHash.

IO have come to dominate bitcoin mining. Although an attack would dogecoin mining pool software designers quickly detected, the effect on the perception dogecoin mining pool software designers price of bitcoins would be severe. IO is a mining pool, a collective that people join to make the dogecoin mining pool software designers from running mining software more predictable. A pool operator shares out the sporadic wins of members across the entire pool, taking a small cut.

IO became so large because it made it so easy for miners to get started and to convert their winnings into other currencies. IO had come to control the majority of mining dogecoin mining pool software designers was brought to light in a blog post by two researchers at Cornell last Friday. One of them, postdoctoral researcher Ittay Eyaltold MIT Technology Review that the Bitcoin protocol should be updated to prevent mining pools dogecoin mining pool software designers being able to amass so much computing power.

Discussion about how to do that has begun, but no easy-to-implement front-runners have yet emerged. In a blog post Mondaythe bitcoin exchange CEX. IOwhich operates the GHash. IO pool, said it was trying to convene discussions between major mining operations and the Bitcoin Foundation, which exists to support the core software, about ways to guard against majority attacks. In the short term, negative attention may offer some dogecoin mining pool software designers against anyone amassing a majority of mining power again.

The power of GHash. However, someone that managed to hack or coerce GHash. IO and one or two more mining pools could still stage a majority attack. Gavin Andresen, chief scientist for the Bitcoin Foundation and previously core maintainer of the Bitcoin dogecoin mining pool software designers, has long warned that mining has become too centralized.

In a blog post reacting to concerns about GHash. Nonetheless, many people and companies are heavily invested in the cryptocurrency. Catch up with our coverage of the event. Content creation is hugely expensive for video-game makers. A way to automate some of the process would be hugely valuable, and this could be it. Experts suggest that having AI systems try to outwit one another could help a person judge their intentions.

To make AI programs smarter, researchers are creating virtual worlds for them to explore. Unlimited online access including articles and video, plus The Download with the top tech stories delivered daily to your inbox. Unlimited online access including all articles, multimedia, and more. The Dogecoin mining pool software designers newsletter with top tech stories delivered daily to your inbox. Revert to standard pricing. Hello, We noticed you're browsing in private or incognito mode.

Subscribe now for unlimited access to online articles. Why we made this change Visitors are allowed 3 free articles per month without a subscriptionand private browsing prevents us from counting how many stories you've read. Intelligent Machines Rise of Powerful Mining Pools Forces Rethink of Bitcoin Design Bitcoin may need to be redesigned to fix a flaw that gave one company a chance to manipulate the cryptocurrency. Addressing Bias in AI AI generates new Doom levels for humans to play.

How can we be sure AI will behave? Perhaps by watching it argue with itself. Facebook helped create an AI scavenger hunt that could lead to the first useful home robots.

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To continue reading this article, please exit incognito mode or log in. Visitors are allowed 3 free articles per month without a subscription , and private browsing prevents us from counting how many stories you've read.

We hope you understand, and consider subscribing for unlimited online access. All day Friday, a bitcoin-mining company known as GHash. IO was in a position to blockade transactions or spend bitcoins more than once. Contributing computing power to the network is rewarded with newly minted bitcoins, so a considerable industry has grown around the practice.

Nakamoto had foreseen how such an attack could work, but he had designed the system under the assumption that it would be impractical for anybody to amass so much computing power. In fact, as the currency has grown in value, a handful of very large players such as GHash. IO have come to dominate bitcoin mining. Although an attack would be quickly detected, the effect on the perception and price of bitcoins would be severe.

IO is a mining pool, a collective that people join to make the returns from running mining software more predictable. A pool operator shares out the sporadic wins of members across the entire pool, taking a small cut. IO became so large because it made it so easy for miners to get started and to convert their winnings into other currencies.

IO had come to control the majority of mining power was brought to light in a blog post by two researchers at Cornell last Friday. One of them, postdoctoral researcher Ittay Eyal , told MIT Technology Review that the Bitcoin protocol should be updated to prevent mining pools from being able to amass so much computing power.

Discussion about how to do that has begun, but no easy-to-implement front-runners have yet emerged. In a blog post Monday , the bitcoin exchange CEX. IO , which operates the GHash. IO pool, said it was trying to convene discussions between major mining operations and the Bitcoin Foundation, which exists to support the core software, about ways to guard against majority attacks. In the short term, negative attention may offer some deterrent against anyone amassing a majority of mining power again.

The power of GHash. However, someone that managed to hack or coerce GHash. IO and one or two more mining pools could still stage a majority attack. Gavin Andresen, chief scientist for the Bitcoin Foundation and previously core maintainer of the Bitcoin code, has long warned that mining has become too centralized.

In a blog post reacting to concerns about GHash. Nonetheless, many people and companies are heavily invested in the cryptocurrency. Catch up with our coverage of the event. Content creation is hugely expensive for video-game makers. A way to automate some of the process would be hugely valuable, and this could be it. Experts suggest that having AI systems try to outwit one another could help a person judge their intentions.

To make AI programs smarter, researchers are creating virtual worlds for them to explore. Everything included in Insider Basic, plus the digital magazine, extensive archive, ad-free web experience, and discounts to partner offerings and MIT Technology Review events.

Unlimited online access including all articles, multimedia, and more. The Download newsletter with top tech stories delivered daily to your inbox. Technology Review PDF magazine archive, including articles, images, and covers dating back to Revert to standard pricing.

Hello, We noticed you're browsing in private or incognito mode. Subscribe now for unlimited access to online articles. Why we made this change Visitors are allowed 3 free articles per month without a subscription , and private browsing prevents us from counting how many stories you've read.

Intelligent Machines Rise of Powerful Mining Pools Forces Rethink of Bitcoin Design Bitcoin may need to be redesigned to fix a flaw that gave one company a chance to manipulate the cryptocurrency.

Addressing Bias in AI AI generates new Doom levels for humans to play. How can we be sure AI will behave? Perhaps by watching it argue with itself. Facebook helped create an AI scavenger hunt that could lead to the first useful home robots. Want more award-winning journalism? Subscribe to Insider Plus. You've read of three free articles this month. Subscribe now for unlimited online access. This is your last free article this month. You've read all your free articles this month.

Log in for more, or subscribe now for unlimited online access. Log in for two more free articles, or subscribe now for unlimited online access.