KASPA

**Yonatan Sompolinsky** is an Israeli computer scientist, founding scientist at DAGLABS, and founder of [KASPA](https://iq.wiki/wiki/kaspa). He was one of the researchers behind the GHOSTDAG protocol in [Ethereum](https://iq.wiki/wiki/ethereum)'s original roadmap.[\[2\]](#cite-id-aubrcscrod)  
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# Education  
  
In 2013, Yonatan Sompolinsky began his studies at the Hebrew University, studying computer science. He completed his undergraduate degree and continued to earn his Ph.D. from the same institution until 2018. During his time at Harvard as a Postdoctoral researcher, Sompolinsky focused on the GHOSTDAG protocol, which aimed to enhance scalability and security in blockchain networks. [\[7\]](#cite-id-tvadxnlx2lr)  
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# Career  
  
In 2013, Yonatan Sompolinsky, along with his advisor Aviv Zohar, proposed the GHOST (Greedy Heaviest Observed Sub-Tree) protocol. The GHOST protocol addresses the scalability limitations of traditional [blockchain](https://iq.wiki/wiki/blockchain) consensus algorithms by introducing a more efficient approach to reaching consensus. It has played a pivotal role in the development of various blockchain systems, particularly those utilizing [Directed Acyclic Graph (DAG)](https://iq.wiki/wiki/directed-acyclic-graph-dag) structures. [\[9\]](#cite-id-kiz4d55z57)  
  
In 2016, Yonatan Sompolinsky was actively involved in exploring and advancing consensus algorithms for DAG-based systems. His research has focused on finding efficient ways to order transactions and prevent conflicts in DAG protocols which led to him publishing The SPECTRE (Serialization of Proof-of-work Events) consensus algorithm, co-authored by Aviv Zohar. The crypto and blockchain community quickly gained interest in Yonatan's work after these papers were released and began asking for a project of his own to be launched. [\[4\]](#cite-id-vaw0xjmybas)  
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In 2021, Sompolinsky founded [KASPA](https://iq.wiki/wiki/kaspa), a layer 1 [blockchain](https://iq.wiki/wiki/blockchain) that operates on a [proof-of-work](https://iq.wiki/wiki/proof-of-work-pow) system and incorporates the PHANTOM/GHOSTDAG protocol, and uses a [Directed Acyclic Graph (DAG)](https://iq.wiki/wiki/directed-acyclic-graph-dag). [\[8\]](#cite-id-j18l5lsctw)  
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Early Years and Research

Kaspas' contribution to security and scalability.

Contribution to scalability and security

Youtube video about the open source nature of Kaspa.

Community engagement and Collaboration

Creation and Launch of Kaspa

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Yonatan Sompolinsky is an Israeli computer scientist known for his work on the GHOST protocol and is the founding scientist at DAGLABS and founder of KASPA.

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Timeline of Events

Yonatan Sompolinsky

Early Years and Research

Contribution to scalability and security

Community engagement and Collaboration

Creation and Launch of Kaspa

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