Metadium is a next-generation blockchain protocol designed to create a decentralized identity ecosystem. Vitalizing the concept of self-sovereign identity enables individuals to exercise total control of their own identity - managing, securing, and utilizing personal data only under the owner’s consent. Metadium aims to present a future in which one can freely and conveniently use one’s own identity data.
VeriCoin (VRC) is a Proof of Stake-Time cryptocurrency. It was previously a Proof-of-Stake cryptocurrency with Proof of Work used to mine coins in the early stage. VeriCoin began work on PoST after the MintPal VRC hack and the subsequent roll back. More information on Proof of Stake-Time can be obtained by reading the whitepaper here. There is no Pre-mine or IPO for VeriCoin. The minimum stake time is at least 8 hours. The one highlight feature of VeriCoin is VeriFund. VeriFund is the answer to ensure stability and growth of VeriCoin. It is used to counter the inflationary effect of the proof of stake. When the supply increases, VeriFund will purchase liquid supply of VeriCoin to ensure growth and stability of the coin's value. More info about VeriFund can be found at http://vericoin.info/verifund.html Another key feature of VeriCoin is VeriSMS. VeriSMS is an SMS wallet system that gives your phone capability to access the VeriCoin network. Some of the available commands include 'Balance', 'setpassword', and 'SEND'. More information about VeriSMS can be found at http://vericoin.info/text.html