Matic Network provides scalable, secure and instant Ethereum transactions. It is built on an implementation of the PLASMA framework and functions as an off chain scaling solution. Matic Network offers scalability solutions along with other tools to the developer ecosystem, which enable Matic to seamlessly integrate with dApps while helping developers create an enhanced user experience.
Gapcoin is a new prime number based p2p cryptocurrency, which tries to eliminate the sticking points of other scientific currencies like Primecoin or Riecoin. It's a fork of Satoshi Nakamotos Bitcoin, a decentralized payment system which is independent of banks, governments and other centralized regulators. With Gapcoin, you will be able to anonymously send money around the globe in no time. The big improvement in comparison to Bitcoin is that instead of burning electricity for its own sake, Gapcoins Proof of Work function actually does useful work by searching for large prime gaps