Polis

Cryptonex is a blockchain-based payment system that offers its users a decentralized platform to make fiat and cryptocurrency transactions. Users can convert fiat and cryptocurrencies. The Cryptonex network is based on the scrypt algorithm. It also enables debit and credit cards transactions as well as mobile payments.
Cryptonex uses a Proof-of-Stake (PoS) consensus mechanism and offers higher transaction speeds at lower fees.

Wirex is developing a payments system that will be powered by its native Wirex token. The Wirex payment ecosystem includes an App that allows users to save and spend a variety of fiat and digital currencies. Wirex also plans to release a Crypto debit card that will allow users to spend their digital assets more easily.