I/O Coin cryptocurrency enables up to 1MB doc AES256 encrypted storage (and transfer), encrypted messaging, private payments and identities. The blockchain is dapps ready via api. It offers up to 15 second POS blocks at 4MB per block.
LINKA is a “value linking platform” that enables everyone to use cryptocurrency, credit card, and other payment methods without any restrictions both in the real world and crypto space by providing inter-usability of value through promoting value circulation.