All-in-all, Poloniex has had a rocky past but has managed to maintain a relatively good reputation in spite of this. The exchange offers a great range of features, excellent volume, and asset variety — but its terrible customer service and lack of fiat options may be just too much for many users to accept.
CoinPedia

There is a lack of risk management tools. The YoBit cryptocurrency trading platform does not charge different fees between takers and makers. Their fee model is called a “flat fee model”, which charges 0.20% for both makers and takers These fees are quite competitive as the global industry average is around 0.25%.
Source: CoinPedia

OKCoin is an outstanding platform for advanced trading of some of the most common cryptocurrencies on the market. The exchange is very liquid, and many people from all over the world trust it.

The OKCoin trading platform is very user friendly and well built. It also provides specialised forms of trading and services for experienced traders
Source: CoinPedia

Here is the latest news about Altcoins !!
Refinable has a notable investor base, according to the trader, which includes Binance, the world’s largest crypto exchange, and Mr. Beast, one of the most prolific YouTubers and content creators.

The FINE token from Refinable was supposed to launch this past Friday, but it was postponed due to high traffic on the CAKE website. As of now, the team hasn’t rescheduled its IDO (initial DEX offering).

SMTY, the governance token behind Smooth Finance, is the last altcoin on the Binance Smart Chain that Davis sees bursting to new heights.

Smoothy is a single-pool liquidity protocol that enables users to switch between stablecoins with little to no slippage. According to the crypto analyst, SMTY may become a big cog in the decentralized financial infrastructure.
Source:Coinpedia !

Stellar Price Prediction 2021 – Will XLM Price Hit $1?

The Stellar price has been to the moon and back since November as the bears dragged Stellar prices down to $0.14 in early December.  Stellar settled at a trading price of $0.16 in the mid of December. At the end of 2020 stellar was trading at $0.12.
Source: CoinPedia

Top Reasons Why This Could Be the Best Time to Buy Ethereum (ETH)

After a sudden drop a few days ago, the Ethereum price is bouncing back. ETH is currently trading at $2,440, down 4.75% from its all-time peak of $2,550. From its lowest point on Sunday, the currency has risen by more than 25%.
Analyst Ben Lilly has been keeping a close eye on the ETH/USD buying and selling pair. The analyst claimed elevated volatility for the pair because it shifted close to a low level on its gamma curve, predicting the new bullish value movement.

The gamma on this trading pair also pointed at a “more explosive” price movement to the upside and more uncertainty in the direction of the weekend, as Ben Lily explained:
The Initial Break Higher Resulted In Nearly 800% Returns While The Second, Over 400%. These Types Of “Effects” Are What I Consider Breaking The Norm (…) . And For Now I See The Potential Of One Altseason Beginning To Take Form.

Source: CoinPedia

I think With an effect of a bearish trend, Zcash preceded the year 2021 at a trading value of $57.95. Later the price dramatically surged to a high of $170.96. The altcoin might be considered to be the most needed currency as it intends to offer high security and privacy. By the end of 2021, ZEC Price might hit as high as $380.
Source: CoinPedia

 Siacoin initiated in the year 2021, with a price of $0.005. Its price might rise as Siacoin is one of the secured cryptocurrency by providing decentralized cloud storage to its users. It may concentrate on providing the solutions at both peer to peer and enterprise levels. Its price might likely fall if it fails to attain the eyes of the market. Siacoin may trade at $0.07 by the end of 2021 and might reach the $2.5 mark in the future.
Source: CoinPedia