The concepts and terms mentioned in your question are related to the field of decentralized finance (DeFi) and cryptocurrency.

DeFi refers to the use of cryptocurrency, blockchain technology, and smart contracts to create decentralized financial systems and applications. These systems aim to provide financial services without the need for traditional banks or financial intermediaries.

Metered and SourceSocial are likely projects or platforms within the DeFi space, while Nascoin is a cryptocurrency with the ticker symbol "NAS." Ticker symbols are used to identify specific cryptocurrencies on exchanges and trading platforms.

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Decentralized finance, or DeFi, is a term that has been gaining popularity in the cryptocurrency world in recent years. But what exactly is DeFi, and how does it differ from traditional finance?

At its core, DeFi refers to financial services that are built on blockchain technology, allowing for the creation of decentralized applications and protocols. These services aim to provide individuals with more control over their finances by removing the need for intermediaries such as banks or financial institutions.

One key aspect of DeFi is its focus on decentralization. In traditional finance, transactions are typically controlled and verified by centralized authorities. In contrast, DeFi platforms operate on blockchain networks, which are decentralized and transparent. This means that anyone can participate in the network and verify transactions, leading to greater security and trust in the system.

Metered is one such DeFi platform that is revolutionizing the way in which financial services are accessed and utilized. By leveraging blockchain technology, Metered allows for the creation and transfer of digital assets in a secure and efficient manner. Users can access a wide range of financial products and services, including lending, borrowing, and trading, all within a decentralized and trustless environment.

Another notable DeFi platform is SourceSocial, which offers a range of decentralized finance solutions tailored for social media influencers and content creators. By using blockchain technology, SourceSocial enables users to monetize their content and engage with their audience in new and innovative ways.

When it comes to cryptocurrencies, one of the leading projects in the DeFi space is Nascoin. Nascoin, the ticker symbol for the cryptocurrency, is designed to be a decentralized and scalable digital asset that can be used for various financial transactions. By utilizing Nascoin, users can access a wide range of DeFi services, such as staking, yield farming, and decentralized exchange trading.

In conclusion, DeFi represents a new era in finance, offering individuals greater control over their assets and financial activities. With platforms like Metered, SourceSocial, and projects like Nascoin leading the way, the future of decentralized finance looks bright and promising.