Nem (XEM) is a cryptocurrency that was launched in 2015. It is the native currency of the NEM blockchain platform.

As for the advantages of Nem (XEM), here are 15:

1. Secure and transparent transactions: NEM uses advanced cryptography to ensure secure and transparent transactions.

2. Fast and scalable: NEM's blockchain is designed to handle a large number of transactions per second, making it fast and scalable.

3. Low transaction fees: NEM transactions have low fees compared to traditional banking systems.

4. Proof-of-Importance (PoI) consensus algorithm: NEM uses PoI, which rewards users based on their importance to the network, promoting network stability and security.

5. Smart Asset System: NEM's Smart Asset System allows users to create and manage customizable assets on the blockchain.

6. Multisignature accounts: NEM supports multisignature accounts, which require multiple signatures to authorize transactions, enhancing security.

7. Decentralized and distributed: NEM operates on a decentralized and distributed network, ensuring no single point of failure.

8. Easy integration: NEM provides APIs and SDKs that make it easy for developers to integrate NEM into their applications.

9. Immutable and tamper-proof: Once a transaction is recorded on the NEM blockchain, it cannot be altered or tampered with.

10. Community-driven: NEM has a strong and active community that contributes to its development and growth.

11. Cross-border transactions: NEM enables fast and cost-effective cross-border transactions, eliminating the need for intermediaries.

12. Traceability: NEM's blockchain allows for the traceability of assets and transactions, providing transparency and accountability.

13. Voting and governance: NEM supports on-chain voting and governance mechanisms, allowing community members to participate in decision-making.

14. Easy to use: NEM's user-friendly interface and wallet make it easy for individuals and businesses to use and manage their XEM.

15. Ongoing development: NEM has a dedicated team of developers continuously working on improving the platform and adding new features.