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
IoTeX is the auto-scalable and privacy-centric blockchain infrastructure for the Internet of Things (IoT). IoTeX’s global team is comprised of Ph.Ds in Cryptography, Distributed Systems, and Machine Learning, top tier engineers, and experienced ecosystem builders. IoTeX is developing several in-house innovations to push the frontier of blockchain 3.0, including a blockchains-in-blockchain architecture for heterogeneous computing, lightning fast Roll-DPoS consensus mechanism, and lightweight privacy-preserving techniques. IoTeX is bringing autonomous device coordination to the masses by “connecting the physical world, block by block.” Check out CoinBureau for the complete review of IoTeX.