The objective of any security system is the capacity to keep a secret. It is vital to keep the data secret when it is stored as well as when it is sent over a network. Nowadays, many people utilize the internet to access various resources, and several businesses employ a dispersed environment to give services to their users. As a result, a more secure distributed environment is required, in which all transactions and processes can be effectively completed safely. It is critical in a distributed system environment to deliver reliable services to users at any time and from any place. As an example of a distributed system, Blockchain is a unique distributed system that has confronted lots of attacks despite its security mechanism. Security is a top priority in a distributed setting. This paper organizes many attacks that byzantine users may apply to take advantage of the loyal users of a system. A wide range of previous articles dealt considered diverse types of attacks. However, we could not find a well-organized document that helps scientists consider different attacking aspects while designing a new distributed system. A hundred various kinds of most essential attacks are categorized and summarized in this article.