Coins should always be considered in a safe storage, there are lot of wallets and platform that could be used to hold coins, both of this has good side and bad. Where will you choose to store or hold your coins, in a close source wallet (exchanges) or an open source wallet?
There are a lot of exchanges now that are making Hodling be easy for holders. They are decentralized exchanges, you don't have to deposit your coins or tokens into their platform before you can trade. Exchanges like; IDEX, Etherdelta,Stellar Dex, Bitsquare, Aphelion, BarterDex, Radar Relay, OasisDEX, CryptoBridge, OpenLedger, Waves Dex and even Binance has recently switched its platform to decentralized exchanges. With decentralizes exchanges, the rate of losing coins or tokens by holders will be reduced drastically.
IDEX is the common decentralized exchange that lets you trade ERC-20 tokens with ease. It is the best alternative that you can get for EtherDelta and is way better and user-friendly than ED. It is top decentralized exchanges by volume.
IDEX can also be used with MetMask or Ledger Nano S-like wallets to further strengthen your security while using the exchange platform.