More Examples

Bitcoin does have some built-in DDoS protections in place.”

“The Denial of Service attack took down our website!”

“A DDoS is a type of computer network attack.”

Definition(s) from the Web

  1. Sending a large number of “junk” data to the node that handles transactions may hinder its work. Bitcoin has built-in protection against attacks such as “denial of service” but today this type of attack becomes harder with each new attempt. For example the Bitcoin Satoshi 0.7.0 client blocks all suspicious nodes and transactions, does not allow transaction duplication, monitors DoS attacks emergence, catches intruders to the system, corrects errors, etc. In the latest eighth version of Bitcoin Satoshi client the ability to capture non-standard transactions (more than 100 kilobytes) and divide the distribution of information to memory and HDD were added. Source
  2. In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet. Denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled. In a distributed denial-of-service attack (DDoS attack), the incoming traffic flooding the victim originates from many different sources. This effectively makes it impossible to stop the attack simply by blocking a single source. A DoS or DDoS attack is analogous to a group of people crowding the entry door of a shop, making it hard for legitimate customers to enter, thus disrupting trade. Criminal perpetrators of DoS attacks often target sites or services hosted on high-profile web servers such as banks or credit card payment gateways. Revenge, blackmail and activism can motivate these attacks. Source

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