FLO is a scrypt based coin with quick transaction processing that introduces a useful new feature called 'transaction comments'. These transaction comments enable FLO to facilitate a number of unique applications and enhancements within the blockchain.
Bitcoin Atom (BCA) brings a truly decentralized way of digital asset exchange – with on-chain atomic swaps on board. By using built-in hash time-locked contracts (HTLCs) and its own HTLC API, Bitcoin Atom attempts to disrupt the way we exchange cryptocurrencies today, giving independence from intermediaries and any centralized entities.