Swarm City is a decentralized commerce platform. Swarm City enables people to communicate and transact in a completely decentralized way - without anyone in the middle.
Cost / License
- Free
- Open Source
Platforms
- Online
Alephium is described as 'The protocol's innovations extend battle-tested ideas from Bitcoin and Ethereum:' and is an app in the bitcoin & cryptocurrency category. There are more than 50 alternatives to Alephium for a variety of platforms, including Web-based, Linux, Mac, Windows and Android apps. The best Alephium alternative is Monero, which is both free and Open Source. Other great apps like Alephium are Bitcoin, Ethereum, Litecoin and Zcash.
Swarm City is a decentralized commerce platform. Swarm City enables people to communicate and transact in a completely decentralized way - without anyone in the middle.
Proof of Scan based decentralized blockchain platform for tokenization of things, preventing assets form copy making. Useful smart-contracts and dApps.

Insolar is building a 4th generation blockchain platform for business aimed to enable seamless interactions between companies and unlock new growth opportunities.
Primecoin is an innovative cryptocurrency, a form of digital currency secured by cryptography and issued through a decentralized mining market. Derived from Satoshi Nakamoto’s Bitcoin, Primecoin introduces an unique form of proof-of-work based on prime numbers.
COSS stands for Crypto-One-Stop-Solution and represents a platform with all features of a digital economical system based on cryptocurrency.