Stellar is a decentralized, open-source platform for building and running financial applications. It was founded in 2014 by Jed McCaleb, co-founder of Ripple, and Joyce Kim, and is designed to be fast, cheap, and scalable.

One of the key features of Stellar is its use of a distributed ledger technology (DLT) called the "Stellar Consensus Protocol" (SCP). This allows the Stellar network to achieve fast and efficient consensus on the state of the ledger, making it well-suited for financial applications that require real-time settlement.

Stellar is also known for its low transaction fees and support for a wide variety of assets. It allows users to exchange a variety of currencies, including fiat currencies, cryptocurrencies, and even commodities like gold and silver, making it an attractive platform for cross-border payments and other financial transactions.

In addition to its technical capabilities, Stellar has also gained attention for its partnerships and collaborations with a variety of organizations and companies. These include partnerships with major banks and financial institutions, as well as collaborations with government agencies and non-profit organizations.

Overall, Stellar is a highly innovative platform that aims to bring the benefits of DLT to the financial industry. Its fast, cheap, and scalable nature, along with its partnerships and collaborations, make it an important player in the fintech space.