OKCoin will focus on digital currency transactions with legal capital and customers who wish to trade futures contracts (Bitcoin and Litecoin) will be transferred to OKEx. Currently, according to CoinMarketCap statistics, OKEx is ranked 5th in total trading volume 24 hours (over $ 1 billion, the largest transaction is BTC / USDT). Features of O trading platformSee full review

MKR is a cryptocurrency depicted as a smart contract platform, deployed on the Ethereum blockchain. Its purpose is to stabilize the value of a bond known as DAI through smart contracts called Collateralized Debt Positions (CDP). It can be sent and received by any Ethereum account, or any smart contract that is programmed to use the MKR transfer function. MKR’s value is attributed to the DAI bond, which is pegged to the US dollar, meaning that 1 DAI = US$1. See full review

A profitable mining of BTG is possible only with the help of GPU (video cards). Thanks to this, according to the developers, a free bitcoin-mining should become accessible to everyone, including those who cannot afford to buy the “asics”; the price of the “asics” may be several times higher than the one of the video cards. Additionally, it may have a problematic payback. Moreover, the relatively low mining complexity makes the BTG mining accessible even for the miners with not very powerful videSee full review

The future that Vechain is aiming for will be the same as the NFC technology of smartphones used to trace the origin of any product in a store or showroom, including where the product was made by whom, when, where, and how to transport to the store or showroom you are looking at. See full review

I also think Binance is a very good exchange, you find almost all quality token there, it has high volume and the best security. The White hat Hacker project called Hacken has recently tested exchanges and their security, only 2 got best rating: Binance and Cobinhood. See full review

Cardano operates on a proof of stake model, using Ouroboros, the first provably secure proof of stake protocol yet written. You can read this and the other academic peer reviewed papers behind Cardano at https://www.cardanohub.org/en/academic-papers/ See full review