Stellar is an open-source cryptocurrency network launched by non-profit Stellar Development Foundation. The currency itself is called Lumen (XLM). Some experts note that this asset has similarities with Ripple because of its quick and cheap transactions.
The Stellar network is guarded by the special contract that doesn't temporarily allow holders of big amounts of Lumen to sell it. Stellar works as an exchange platform where Lumen is used to pay a small exchange fee. The project has a high level of decentralization and provides equality for all of its participants. It has one of the biggest market capitalizations.
Ontology is a business-to-crypto platform from Singapore. It assists companies in using blockchain, smart contracts, , and other solutions associated with decentralization and distributed ledger. The network has two native tokens, ONT and ONG. Ontology was the first project to implement the idea of digital identity.