Stable Coin: Pegged to a value source, thus reducing volatility, and expanding acceptability. Stable characteristics and suitable for unit of exchange. The concerns are centered on the value backing the coin. Like corporations, the coin is only as good as the underlying value. This type of coin is not a gamers option, and likely rides on own platform.
Usage: High usage if vendors accept
Investment: Low volatility
Value: Normally equal to the purchase price
Speed: Contingent on platform. Best performance on own platform
Downside: If riding on tier one platform, for example Ethereum, coin will have zero use due to prohibitive transactional costs.