Kyber is a decentralized network and exchange that is focused on providing liquidity. Kyber enables token transactions between platforms and aims to make these exchanges of value easier, by connecting different ecosystems and applications. Kyber users can exchange tokens with greater liquidity because the network maintains a reserve of all tokens. Transactions are very fast and are processed via smart contracts that have a derivative functionality where users can hedge currencies to lower risk. Kyber can also be used make payments to anyone, in any token, across any platform. The network is powered by the Kyber token (KNC) that was released in an ICO that raised almost $49 million.

Kraken is a US-based cryptocurrency exchange and one of the largest bitcoin exchanges in terms of volume and liquidity.
It provides Bitcoin pricing to the Bloomberg Terminal and has considerable influence on the overall crypto market. Kraken offers a number fiat funding and transfer options.
There are 18 BTC pairs and 16 USD pair to trade
Fees vary depending on the volume - for main trading pairs this is between 0.1-0.35% - however for other less common crypto pairs the range can be as low as 0.05% or as high as 0.75%. There are also 0% fees for some trades.
Withdrawals and deposits are variable depending on the method - although in general all fees are 0.19% with a $20 minimum.