Lightning Bitcoin is a fork of the Bitcoin blockchain. By adopting DPoS consensus mechanism with 2M blocksize, Lightning Bitcoin improves transaction speed, promotes decentralization and also supports smart contracts. Lightning Bitcoin combines the advantages of Bitcoin and Ethereum and creates a more valuable and functional blockchain system.
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.