Arweave (AR) Review

Aeternity (AE) token can be used as a reward for miners and allows its holders to participate in the voting process inside the blockchain. It is also available on multiple exchanges.

Released in 2014, Groestlcoin (GRS) cryptocurrency enables private and fast transactions. It is the first coin that activated Lightning Network and SegWit. You can buy GRS for both crypto and fiat currencies (USD, EUR, GBP, KRW). This cryptocurrency is listed on multiple exchanges.

Sebastian Schepis, the Syscoin founder, built Syscoin 1.0 as a blockchain-based marketplace for buying and selling goods. In its third edition in 2018 it became a fully developed blockchain platform. In 2019, Syscoin 4.0 enables any ERC20 to integrate with its Bitcoin-compliant system to accomplish ultra speed and security.